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If you're running E85 or ethanol mixes in your 2021+ B58 BMW M440i, 2019+ M340i, and 2022+ M240i you need this kit!
This is a complete plug & play kit to install a flex fuel kit in your 2021+ M440i, 2019+ M340i and 2022+ M240i in about 30 minutes.
Our CANbus ECA is compatible with JB4 as well as flash only applications like MHD, BM3, and EcuTek that read the standard 0xEC flex fuel CANbus address format.
(Check compatibility for your platform below)
Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
The complete kit with Bluetooth ECA includes the following:
Genuine Continental® ethanol sensor
Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components
Fuel-It! Bluetooth analyzer (iPhone or Android app must be downloaded to use this kit)
Plug and play harness
Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
Bluetooth (iPhone or Android app must be downloaded to use this feature)
If you are using an Apple product the app can be found by clicking here
If you are using an Android product the app can be found by clicking here
The complete kit with CANbus ECA includes the following:
Genuine Continental® ethanol sensor
CANbus ECA for use with JB4, MHD, and BM3
Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components
LPFP pressure sensor
Plug and play harness
Replacement fuel lines are also available ala cart.
This kit is compatible with the following
2021-Present G22 G23 G26 BMW B58 M440i
2019-Present G20 G21 BMW B58 M340i
2022-Present G42 BMW B58 M240i
2017-Present G30 BMW B58 540i
*For the BMW G-series JB4 platform connect the white wire to position #4 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input.
*We have also made it optional to purchase all the items ala-cart should you choose but for the kit to work, it must include the Fuel Lines, Ethanol Sensor, and Analyzer.*Free shipping in USA on complete kits only.
*If you aren't sure whether this kit fits your car, send us a picture of your engine bay with the engine cover removed to info@fuel-it.com
*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated your ethanol readings may be artificially elevated.
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