Description
If you’re planning to run ethanol blends in your BMW equipped with the N20 or N26 engine, the Fuel-It! Bluetooth Flex Fuel Kit is the ideal solution. This complete plug-and-play system allows you to monitor your exact ethanol content in real time using the Fuel-It! or JB4 app on your smartphone or tablet.
Designed for BMW F-Chassis vehicles, this kit installs a Bluetooth ethanol sensor in approximately 30 minutes with no permanent vehicle modifications required. Accurate ethanol content data helps ensure safer tuning, improved consistency, and optimized performance when running E85 or ethanol fuel mixtures.
The system supports both Bluetooth app monitoring and a 5V analog output, making it fully compatible with JB4 and flash tuning setups. All components are engineered for E85 compatibility and OEM-style integration within the engine bay.
Kit Includes
-
5/16" E85-compatible fuel lines for the engine bay
-
Genuine Continental ethanol sensor
-
Fuel-It! Bluetooth analyzer
-
Plug-and-play wiring harness
-
Bluetooth app support and 5V analog output for JB4 or flash tuning
Important Notice for N26 Engines
-
Vehicles equipped with the N26 engine must retrofit the HPFP supply line to BMW part number 13537585415 to be compatible with this kit
JB4 Wiring Information
-
BMW F-Series JB4 platform
-
Connect the white wire to position #14 on the JB4 25-pin harness
-
Select WMI Ethanol Setup option 1 to enable pin location 14/15/16 flex fuel input
Fitment
-
BMW 1 Series F20 (07/2010 — 02/2015)
-
BMW 1 Series F20 LCI (05/2014 — 06/2016)
-
BMW 1 Series F21 (07/2010 — 02/2015)
-
BMW 1 Series F21 LCI (09/2014 — 06/2016)
-
BMW 2 Series F22 (10/2012 — 06/2016)
-
BMW 2 Series F23 (04/2014 — 06/2016)
-
BMW 3 Series F30 (04/2011 — 01/2016)
-
BMW 3 Series F30 LCI (12/2014 — 10/2018)
-
BMW 3 Series F31 (07/2011 — 06/2015)
-
BMW 3 Series F31 LCI (12/2014 — 06/2016)
-
BMW 3 Series F34 GT (07/2012 — 06/2016)
-
BMW 3 Series F35 (06/2011 — 08/2015)
-
BMW 3 Series F35 LCI (01/2015 — 08/2016)
-
BMW 4 Series F32 (11/2012 — 06/2016)
-
BMW 4 Series F33 (03/2013 — 02/2016)
-
BMW 4 Series F36 Gran Coupé (07/2013 — 12/2016)
Additional Notes
-
Bluetooth functionality requires a compatible smartphone or tablet
-
Verify compatibility before installation if unsure
This plug-and-play flex fuel solution delivers precise real-time ethanol monitoring and seamless tuning integration, making it an essential upgrade for any BMW F-Chassis N20 or N26 build running E85 or ethanol blends.
