{"title":"Ethanol Analyzers \u0026 Flex Fuel Kits","description":"\u003cp\u003eEthanol analyzer kits from Spool Performance. An ethanol content sensor reads the ethanol percentage of the fuel in the line so the tune can adjust for E85 or mixed blends. Most kits here are Spool wireless analyzers, and some include a fuel filter.\u003c\/p\u003e\u003cp\u003eListings cover BMW N20\/N26, N54\/N55, B58 Gen 1 and Gen 2, S55, S58 (G80, G82, F97, F98) and S63 (F10 M5, F90 M5, M8), Mercedes-AMG M157, M177, M178, M276 and M278 models, the Audi C8 RS6 and RS Q8, Lamborghini Urus, McLaren 570S\/600LT and 720S\/750S\/765LT, Porsche 992 GT3 and the Aston Martin Vantage V8. Check the engine and chassis in the title before ordering.\u003c\/p\u003e\u003cp\u003eSee all \u003ca href=\"\/collections\/fuel-system\"\u003efuel system upgrades\u003c\/a\u003e or the \u003ca href=\"\/collections\/spool-performance\"\u003eSpool Performance\u003c\/a\u003e range.\u003c\/p\u003e","products":[{"product_id":"aston-martin-vantage-v8-spool-wireless-ethanol-ana","title":"Aston Martin Vantage V8 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Aston Martin Vantage V8 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAston Martin Vantage V8 (M177)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564453089365,"sku":"SP-ECA-ASMRTVNTG","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/vantage2.jpg?v=1793250685"},{"product_id":"porsche-992-gt3-gt3-rs-spool-ethanol-analyzer-kit","title":"Porsche 992 GT3 \u0026 GT3 RS Spool Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool ethanol analyzer kit for the Porsche 992 GT3 and GT3 RS gives you quick, accurate readings of the ethanol content in your tank.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eWhether you run pump gas, a blend or full E85, a flex-fuel tune is only as safe as its ethanol reading. Knowing exactly what is in the tank removes the guesswork and protects the engine.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePorsche 992 GT3\u003c\/li\u003e\n\u003cli\u003ePorsche 992 GT3 RS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReal-time ethanol content readings\u003c\/li\u003e\n\u003cli\u003eFully ethanol-safe components\u003c\/li\u003e\n\u003cli\u003ePlug-and-play style harness with tidy routing\u003c\/li\u003e\n\u003cli\u003eWorks with flex-fuel tunes and digital displays\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eMost useful if you run E85 or plan a flex-fuel tune. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564479729749,"sku":"992ETHANOL","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/2B68A522-869D-4702-B0E3-BAA570AE82FF.png?v=1793250747"},{"product_id":"bmw-x3m-x4m-f97-f98-s58-spool-wireless-ethanol-ana","title":"BMW X3M \u0026 X4M F97 F98 S58 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the BMW X3M and X4M shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW X3M (F97, S58)\u003c\/li\u003e\n\u003cli\u003eBMW X4M (F98, S58)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eChoose the version that matches your high pressure pumps: OEM pumps or Spool FX350 pumps. The analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"OEM High Pressure pumps","offer_id":46564522950741,"sku":"SP-ECA-S58-FGGH","price":529.99,"currency_code":"USD","in_stock":true},{"title":"FX350 High pressure pumps","offer_id":46564522983509,"sku":"SP-ECA-S58-F-BNF","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/2B68A522-869D-4702-B0E3-BAA570AE82FF_78ff7048-eb4b-4460-b3a1-4564ddb9b6ae.png?v=1793250863"},{"product_id":"mercedes-amg-g63-g550-spool-wireless-ethanol-analy","title":"Mercedes-AMG G63 \u0026 G550 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG G63 \u0026amp; G550 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMercedes-AMG G63 (M177)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz G550 (M177)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564524916821,"sku":"SP-ECA-M177-G63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6.png?v=1793250865"},{"product_id":"mercedes-amg-gt63-spool-wireless-ethanol-analyzer","title":"Mercedes-AMG GT63 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG GT63 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG GT63 \/ GT63 S 4-Door (M177)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564524949589,"sku":"SP-ECA-M177-GT63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6_c1122706-734b-4928-a0cf-f6c06aeeee25.png?v=1793250865"},{"product_id":"mercedes-amg-s63-spool-wireless-ethanol-analyzer-k","title":"Mercedes-AMG S63 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG S63 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG S63 (M177)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564525113429,"sku":"SP-ECA-M177-S63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6_bb1a1e81-769c-46fd-8ecb-a1c41f0dce82.png?v=1793250867"},{"product_id":"mercedes-amg-gle63-spool-wireless-ethanol-analyzer","title":"Mercedes-AMG GLE63 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG GLE63 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG GLE63 \/ GLE63 S (M177)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564526522453,"sku":"SP-ECA-M177-GLE63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6_7158124c-ce07-494b-b3af-38d61c128986.png?v=1793250867"},{"product_id":"mercedes-amg-c63-spool-wireless-ethanol-analyzer-k","title":"Mercedes-AMG C63 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG C63 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG C63 \/ C63 S (M177)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564529963093,"sku":"SP-ECA-M177-C63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6_163f433f-290a-47c7-b1fe-bf8534f3519f.png?v=1793250870"},{"product_id":"mercedes-amg-glc63-spool-wireless-ethanol-analyzer","title":"Mercedes-AMG GLC63 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG GLC63 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG GLC63 \/ GLC63 S (M177)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564530094165,"sku":"SP-ECA-M177-GLC63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6_d4a67c32-4a9d-4b88-a58d-280698870101.png?v=1793250870"},{"product_id":"mercedes-amg-e63-spool-wireless-ethanol-analyzer-k","title":"Spool Mercedes M177 E63 AMG Wireless Ethanol Analyzer Kit","description":"\u003cdiv id=\"tab-description\" class=\"tab-content\" data-mce-fragment=\"1\" itemprop=\"description\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Spool Wireless Ethanol Analyzer kit is a very cost-effective and robust ethanol content and fuel temperature monitoring solution. With the included smartphone app, the analyzer paired with a GM ethanol sensor can display the in-tank fuel's ethanol concentration percentage and fuel temperatures in Fahrenheit. The Analyzer module incorporates the latest Bluetooth 4.0 low energy protocol which means very little battery usage on your smartphone and also leaves regular Bluetooth functions and connectivity on your smartphone untouched. \u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eWhy do you need an Ethanol Analyzer solution?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eAccording to the latest ASTM guidelines, Ethanol blends rated E85 can have anywhere from 51% to 85% ethanol content. This means the E85 at your pump can in fact at times, be only E55 containing 55% ethanol. This uncertainty is of serious concern to enthusiasts who are running performance E85 tunes for their vehicles. \u003cb data-mce-fragment=\"1\"\u003eRunning a lower ethanol content fuel with a tune rated for a higher content can cause damage to your motor.\u003c\/b\u003e Knowing the absolute ethanol content in the E85 fuel from your pumps helps you avoid those damages.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eEthanol Sensor App\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eUnlike competitors, our Ethanol Analyzer Apps are truly free of cost and features an Ethanol Mix calculator to make sure you get the perfect blend every time. With an ethanol analyzer kit, the App can automatically populate the in-tank fuel's E-content required for the calculations. \u003cb data-mce-fragment=\"1\"\u003eThe app can be downloaded and used even if you do not have our Analyzer kit and will let you estimate your mixes.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eLifetime Warranty\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eLike all of our products, the Ethanol Content Analyzer is covered by Spool's Lifetime Warranty Program. We stand behind the quality we promise you.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags_product\" data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564530487381,"sku":"SP-ECA-M177-E63","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/541E8D86-9698-4875-9E88-959EC550A6E6_486ec2e4-4e6d-4350-97ad-e78d32188cf9.png?v=1793250871"},{"product_id":"bmw-g80-m3-g82-m4-spool-s58-wireless-ethanol-analy","title":"BMW G80 M3 \u0026 G82 M4 Spool S58 Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the BMW G80 M3 and G82 M4 shows the real ethanol content and fuel temperature in your tank right on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eFuel sold as E85 can legally contain anywhere from 51% to 85% ethanol, so a pump marked E85 may really be closer to E55. Running a lower ethanol blend than your tune expects can damage the engine. This kit pairs a GM ethanol sensor with a Bluetooth 4.0 low energy module, so you always know what is in the tank without draining your phone battery or tying up its normal Bluetooth connections.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW G80 M3 (S58)\u003c\/li\u003e\n\u003cli\u003eBMW G82 M4 (S58)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLive ethanol percentage and fuel temperature (Fahrenheit) in the app\u003c\/li\u003e\n\u003cli\u003eUses a GM ethanol sensor\u003c\/li\u003e\n\u003cli\u003eBluetooth 4.0 low energy module\u003c\/li\u003e\n\u003cli\u003eFree app with an ethanol mix calculator that fills in your current E-content\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eChoose the version that matches your setup: one for cars on the OEM high pressure pumps, one for cars running Spool FX350 high pressure pumps. The mix calculator in the app can also be used without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"OEM High Pressure pumps","offer_id":46564534911061,"sku":"SP-ECA-S58","price":529.99,"currency_code":"USD","in_stock":true},{"title":"FX350 High pressure pumps","offer_id":46564534943829,"sku":"SP-ECA-S58-2","price":529.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/2B68A522-869D-4702-B0E3-BAA570AE82FF_02d75071-e876-4ca3-86d0-0fbcde8ee481.png?v=1793250875"},{"product_id":"bmw-e9x-e8x-e6x-n54-n55-spool-wireless-ethanol-ana","title":"Wireless Ethanol Analyzer Kit [N54\/N55] E9x\/E8x\/E6x","description":"\u003cdiv id=\"tab-description\" class=\"tab-content\" data-mce-fragment=\"1\" itemprop=\"description\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eSpool Wireless Ethanol Analyzer Kit\u003c\/strong\u003e offers a cost-effective and reliable way to monitor ethanol content and fuel temperature in your vehicle. Paired with a GM ethanol sensor and our free smartphone app, the analyzer provides real-time data, including ethanol concentration percentage and fuel temperature (in Fahrenheit). Utilizing the latest \u003cstrong\u003eBluetooth 4.0 Low Energy (BLE)\u003c\/strong\u003e protocol, the analyzer ensures minimal battery usage while leaving your smartphone's standard Bluetooth functions unaffected.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Do You Need an Ethanol Analyzer?\u003c\/h3\u003e\n\u003cp\u003eAccording to the latest ASTM guidelines, ethanol blends labeled \u003cstrong\u003eE85\u003c\/strong\u003e can contain anywhere from \u003cstrong\u003e51% to 85% ethanol\u003c\/strong\u003e. This variability means the E85 at your pump might actually be E55 (55% ethanol), which can pose serious risks to vehicles running performance E85 tunes.\u003c\/p\u003e\n\u003cp\u003eUsing a tune optimized for higher ethanol content with fuel containing less ethanol can lead to engine damage. With the \u003cstrong\u003eSpool Ethanol Analyzer Kit\u003c\/strong\u003e, you’ll know the exact ethanol content in your tank, ensuring your engine runs safely and efficiently.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEthanol Sensor App\u003c\/h3\u003e\n\u003cp\u003eOur app sets a new standard by being completely \u003cstrong\u003efree\u003c\/strong\u003e and packed with features, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthanol Mix Calculator\u003c\/strong\u003e: Helps you achieve the perfect fuel blend.\u003c\/li\u003e\n\u003cli\u003eAutomatic in-tank ethanol content readings with the analyzer installed.\u003c\/li\u003e\n\u003cli\u003eStandalone use for estimating ethanol blends without the analyzer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eUpgraded Fuel Lines\u003c\/h3\u003e\n\u003cp\u003eThe kit includes \u003cstrong\u003e6AN PTFE-core fuel lines\u003c\/strong\u003e with black nylon coating and braided stainless steel construction. These lines are designed to handle extreme pressures and are fully ethanol-compatible, providing the durability and reliability required for high-performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable fuel line options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eHPFP to Fuel Tank [Long Line]\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHPFP to OEM Line [Short Line]\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAll lines come with \u003cstrong\u003eanodized aluminum PTFE fittings\u003c\/strong\u003e, ensuring a secure and leak-free connection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eLifetime Warranty\u003c\/h3\u003e\n\u003cp\u003eAs with all Spool Performance products, the Ethanol Analyzer Kit is covered under our \u003cstrong\u003eLifetime Warranty Program\u003c\/strong\u003e, guaranteeing the quality and reliability you expect.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Spool Performance","offers":[{"title":"E SERIES [ E9X \u0026 E8X ] \/ HPFP TO TANK UPGRADED FUEL LINE VERSION [LONG LINE]","offer_id":46564563451989,"sku":"SP-BM-EA-1","price":479.99,"currency_code":"USD","in_stock":true},{"title":"E SERIES [ E9X \u0026 E8X ] \/ HPFP TO OEM FUEL LINE VERSION [SHORT LINE]","offer_id":46564563484757,"sku":"SP-BM-EA-2","price":389.99,"currency_code":"USD","in_stock":true},{"title":"E SERIES [ E6X ] \/ HPFP TO TANK UPGRADED FUEL LINE VERSION [LONG LINE]","offer_id":46564563517525,"sku":"SP-BM-EA-3","price":479.99,"currency_code":"USD","in_stock":true},{"title":"E SERIES [ E6X ] \/ HPFP TO OEM FUEL LINE VERSION [SHORT LINE]","offer_id":46564563550293,"sku":"SP-BM-EA-4","price":389.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/spool_vantage_ab382ab4-1ed9-4b15-b92f-b14172bd5460.jpg?v=1793250943"},{"product_id":"bmw-f90-m5-f91-f92-f93-m8-spool-wireless-ethanol-a","title":"Wireless Ethanol Analyzer Kit [S63 F90 M5\/ F91\/F92\/F93 M8]","description":"\u003cdiv class=\"tab-content\" id=\"tab-description\"\u003e\n\u003cp\u003eThe Spool wireless Ethanol Analyzer kit is a very cost-effective and robust ethanol content and fuel temperature monitoring solution. With the included smartphone app, the analyzer paired with a GM ethanol sensor can display the in-tank fuel's ethanol concentration percentage and fuel temperatures in Fahrenheit. The Analyzer module incorporates the latest Bluetooth 4.0 low energy protocol which means very little battery usage on your smartphone and also leaves regular Bluetooth functions and connectivity on your smartphone untouched. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWhy do you need an Ethanol Analyzer solution?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAccording to the latest ASTM guidelines, Ethanol blends rated E85 can have anywhere from 51% to 85% ethanol content. This means the E85 at your pump can in fact at times, be only E55 containing 55% ethanol. This uncertainty is of serious concern to enthusiasts who are running performance E85 tunes for their vehicles.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eRunning a lower ethanol content fuel with a tune rated for a higher content can cause damage to your motor.\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eKnowing the absolute ethanol content in the E85 fuel from your pumps helps you avoid those damages.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEthanol Sensor App\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike competitors, our Ethanol Analyzer Apps are truly free of cost and features an Ethanol Mix calculator to make sure you get the perfect blend every time. With an ethanol analyzer kit, the App can automatically populate the in-tank fuel's E-content required for the calculations.\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eThe app can be downloaded and used even if you do not have our Analyzer kit and will let you estimate your mixes.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSeamless Installation\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Ethanol analyzer kit comes with proprietary Anodized Aluminum fuel line adapter fittings to fit the sensor seamlessly with the existing OEM fuel lines.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eLifetime Warranty\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eLike all of our products, the Ethanol Content Analyzer is covered by Spool's Lifetime Warranty Program. We stand behind the quality we promise you.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags_product\"\u003e\n\u003cb\u003eTags:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/spoolperformance.us\/index.php?route=product\/search\u0026amp;tag=F90\"\u003eF90\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/spoolperformance.us\/index.php?route=product\/search\u0026amp;tag=S63\"\u003eS63\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/spoolperformance.us\/index.php?route=product\/search\u0026amp;tag=S63M\"\u003eS63M\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/spoolperformance.us\/index.php?route=product\/search\u0026amp;tag=M5\"\u003eM5\u003c\/a\u003e\n\u003c\/div\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564564303957,"sku":"SP-EANF90","price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/647639BD-79E4-466F-8645-5C32608D5F3A.png?v=1793250942"},{"product_id":"bmw-gen-1-b58-spool-wireless-ethanol-analyzer-kit","title":"BMW Gen 1 B58 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the BMW Gen 1 B58 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW M140i (Gen 1 B58)\u003c\/li\u003e\n\u003cli\u003eBMW M240i (Gen 1 B58)\u003c\/li\u003e\n\u003cli\u003eBMW 340i (Gen 1 B58)\u003c\/li\u003e\n\u003cli\u003eBMW 440i (Gen 1 B58)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564564926549,"sku":"SP-ECA-B58","price":499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/2B68A522-869D-4702-B0E3-BAA570AE82FF_a67ff80c-972f-4dd7-8fa7-2d030dd01971.png?v=1793250945"},{"product_id":"bmw-n55-f22-235i-f30-335i-f32-435i-spool-wireless","title":"BMW N55 F22 235i, F30 335i \u0026 F32 435i Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for N55-powered BMW 2, 3 and 4 Series models shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW F22 M235i (N55)\u003c\/li\u003e\n\u003cli\u003eBMW F30 335i (N55)\u003c\/li\u003e\n\u003cli\u003eBMW F32 435i (N55)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003e6AN PTFE-core, nylon-coated braided stainless fuel line with anodized aluminum fittings\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe lines fit the OEM high pressure pump or Spool FX-150 and FX-180 pumps and are fully ethanol compatible. The analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564566564949,"sku":"WK-9C9V-B998V-KPF","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/M178EthKitforOEMHPFP-2-1014x912_32baa737-d121-489e-bf7e-139ecf1de94e.jpg?v=1793250949"},{"product_id":"bmw-n20-n26-f-series-spool-wireless-ethanol-analyz","title":"BMW N20 \u0026 N26 F-Series Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for N20 and N26 BMW 2, 3 and 4 Series models shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBMW 2 Series F-chassis (N20 \/ N26)\u003c\/li\u003e\n\u003cli\u003eBMW 3 Series F-chassis (N20 \/ N26)\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series F-chassis (N20 \/ N26)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003e6AN PTFE-core, nylon-coated braided stainless lines with anodized aluminum fittings\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe lines fit the OEM HPFP or Spool FX-150\/FX-180 pumps and come in a long line (HPFP to fuel tank) or short line (HPFP to OEM line) layout. The analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564566761557,"sku":"WEAJ-K98V-BDF-9989","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/spool_vantage_df14083a-37c3-45e8-99bf-5b01096db4d6.jpg?v=1793250950"},{"product_id":"mercedes-amg-gt-m178-spool-wireless-ethanol-analyz","title":"Mercedes-AMG GT M178 Spool Wireless Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG GT M178 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG GT, GT S, GT C and GT R (M178)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564569940053,"sku":"SP-ECA-M178","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/vantage2_05a2ac4c-7fd5-43a7-a94e-5d093d514643.jpg?v=1793250955"},{"product_id":"mercedes-benz-m278-v8-spool-wireless-ethanol-analy","title":"Mercedes-Benz M278 V8 Spool Wireless Ethanol Analyzer Kit \u0026 Filter","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-Benz M278 V8 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMercedes-Benz E500 \/ E550, CLS500 \/ CLS550, S500 \/ S550 (M278)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz SL500 \/ SL550, CL500 \/ CL550 (M278)\u003c\/li\u003e\n\u003cli\u003eMercedes-Benz ML500 \/ ML550, GL450 \/ GL500 \/ GL550, GLS500 \/ GLS550 (M278)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003cli\u003eSpool 10-micron fuel filter unit, flows up to 6 GPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eThe analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. The app is free and its mix calculator also works without the kit.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564569972821,"sku":"SP-ECA-M278","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/vr30_e2_2fb11f84-8c10-4d72-b848-7cd2365e93be.jpg?v=1793250957"},{"product_id":"mercedes-amg-m157-v8-spool-wireless-ethanol-analyz","title":"Mercedes-AMG M157 V8 Spool Wireless Ethanol Analyzer Kit \u0026 Filter","description":"\u003cp\u003eThe Spool wireless ethanol analyzer kit for the Mercedes-AMG M157 V8 shows your in-tank ethanol percentage and fuel temperature live on your phone.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUnder ASTM guidelines, fuel sold as E85 can contain anywhere from 51% to 85% ethanol. Running a lower ethanol blend on a tune built for more can damage your engine. Knowing your exact ethanol content lets you blend and tune with confidence.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eMercedes-AMG models with the M157 5.5L twin-turbo V8\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpool wireless ethanol analyzer module (Bluetooth 4.0 low energy)\u003c\/li\u003e\n\u003cli\u003eGM ethanol content sensor\u003c\/li\u003e\n\u003cli\u003eFree Spool phone app with ethanol mix calculator\u003c\/li\u003e\n\u003cli\u003eSpool 10-micron fuel filter unit, flows up to 6 GPM\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eConfirm your engine code before ordering. The analyzer uses Bluetooth low energy, so it barely touches your phone battery and leaves your other Bluetooth connections alone. Fuel temperature reads in Fahrenheit. 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This kit is made specifically for the C8 RS6, uses ethanol-safe components, and installs with plug-and-play style harnesses and tidy routing. It works with flex-fuel tunes and digital displays.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAudi RS6 Avant (C8, EA825 4.0T V8)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle-specific fit for the C8 RS6 Avant\u003c\/li\u003e\n\u003cli\u003eLive ethanol content readings\u003c\/li\u003e\n\u003cli\u003eEthanol-safe components\u003c\/li\u003e\n\u003cli\u003ePlug-and-play style harnesses\u003c\/li\u003e\n\u003cli\u003eWorks with flex-fuel tunes and digital displays\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eAn ethanol analyzer is a must for anyone running E85 or switching to a flex-fuel tune. 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This kit integrates cleanly with the fuel system and gives instant readings, with no messy wiring or complicated setup.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMcLaren 720S\u003c\/li\u003e\n\u003cli\u003eMcLaren 750S\u003c\/li\u003e\n\u003cli\u003eMcLaren 765LT\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReal-time ethanol content readings\u003c\/li\u003e\n\u003cli\u003eClean integration with the factory fuel system\u003c\/li\u003e\n\u003cli\u003eSpool Ethanol Analyzer app for Android and iOS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003eSpool has used the same analyzer app since 2017. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Default Title","offer_id":46564603002965,"sku":"SP-MCL-72-EA","price":1049.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/720sethanolkit.png?v=1793251081"},{"product_id":"audi-rsq8-lamborghini-urus-spool-ethanol-analyzer","title":"Audi RSQ8 \u0026 Lamborghini Urus Spool Ethanol Analyzer Kit","description":"\u003cp\u003eThe Spool ethanol analyzer kit for the Audi RSQ8 and Lamborghini Urus gives you fast, accurate ethanol readings so you always know what's in the tank.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eWhether you run pump gas, a blend or full E85, a flex-fuel tune is only as safe as the fuel it sees. 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