{"product_id":"bmw-f90-m5-s63-spool-stage-3-low-pressure-fuel-2","title":"BMW F90 M5 S63 Spool Stage 3 Low Pressure Fuel Pump DIY Kit","description":"\u003cp\u003eThe Spool Stage 3 low pressure fuel pump DIY kit for the BMW F90 M5 adds a second, boost-activated pump to roughly double the stock low side flow.\u003c\/p\u003e\u003ch2\u003eWhy you need it\u003c\/h2\u003e\u003cp\u003eUpgraded high pressure pumps can now support much more direct injection fueling, which makes the stock in-tank pumps the limit on a high-power S63, especially on E85. This kit adds a secondary pump that comes in under boost, doubling flow capacity for more than 1200 whp of low pressure fueling regardless of fuel type, at a lower cost than a pre-assembled kit.\u003c\/p\u003e\u003ch2\u003eFits\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eBMW F90 M5 (S63)\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSecondary fuel pump assembly\u003c\/li\u003e\n\u003cli\u003eSecondary pump activation harness (option selected at checkout)\u003c\/li\u003e\n\u003cli\u003eBoost-activated switch\u003c\/li\u003e\n\u003cli\u003eBoost reference adapter\u003c\/li\u003e\n\u003cli\u003eHardware pack\u003c\/li\u003e\n\u003cli\u003eDetailed assembly instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eGood to know\u003c\/h2\u003e\u003cp\u003ePick the activation harness that matches your setup: ground activation for a Reflex flying lead, ground plus power for a Reflex plug-and-play or Rev2 BM3 setup, or the Spool Hobbs switch harness for boost-pressure activation without a controller. A supporting tune is required to make use of the added fueling. Professional installation is recommended.\u003c\/p\u003e","brand":"Spool Performance","offers":[{"title":"Ground Activation \/ Reflex Flying Lead","offer_id":46564534976597,"sku":"SP-F90M5-LPFPDIY-1","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Ground + Power Activation \/ Reflex Plug N Play \/ Rev2 BM3","offer_id":46564535009365,"sku":"SP-F90M5-LPFPDIY-2","price":849.99,"currency_code":"USD","in_stock":true},{"title":"Spool Hobbs Switch","offer_id":46564535042133,"sku":"SP-F90M5-LPFPDIY-3","price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/9769\/8389\/files\/supradiyLPFP4-1014x912.jpg?v=1793250875","url":"https:\/\/www.wrenchhaususa.com\/de\/products\/bmw-f90-m5-s63-spool-stage-3-low-pressure-fuel-2","provider":"Wrench Haus","version":"1.0","type":"link"}