BMW F10 M5 & F06, F12, F13 M6 Spool Wireless Ethanol Analyzer Kit
The Spool wireless ethanol analyzer kit for the BMW F10 M5 and F06, F12 and F13 M6 shows your in-tank ethanol percentage and fuel temperature live on your phone.
Why you need it
Under 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.
Fits
- BMW F10 M5 (S63)
- BMW F06 M6 Gran Coupe (S63)
- BMW F12 M6 Convertible (S63)
- BMW F13 M6 Coupe (S63)
What's included
- Spool wireless ethanol analyzer module (Bluetooth 4.0 low energy)
- GM ethanol content sensor
- 6AN PTFE-core, nylon-coated braided stainless fuel lines with anodized aluminum fittings
- Free Spool phone app with ethanol mix calculator
Good to know
The lines are fully ethanol compatible and built to fit the OEM high pressure pump setup. 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.



