Know your exact ethanol content in real-time with our new LED display or by using the BMS CANflex, Fuel-It! or JB4 mobile app on your smartphone or tablet.
If you're running E85 or ethanol mixes in your B58, B48, B46, or B38 equipped BMW, you need this kit!
As many of you know the BMW motors can be very picky about how much ethanol you run to achieve peak performance but not run lean. Consequently, we have put together a kit enabling you to easily install an ethanol sensor with no permanent modifications needed. You will simply remove your low pressure fuel line in the engine bay and plug in our kit. It's a complete plug-in solution that utilizes our Bluetooth app to monitor your ethanol content. When you are ready to return to stock, simply remove the kit and re-install the stock fuel line.
All kits include the following:
- Genuine Continental® ethanol sensor
- One stainless steel braided fuel line with black nylon sheathing to protect your other engine bay components
- Proprietary custom billet fitting for plug and play OEM integration
- One custom wiring harness
- One tube of SuperLube® for hose adapter install
Kit with BMS CANbus ECA includes:
- Our new CANflex LED Ethanol Content Analyzer (ECA) to display current ethanol content
- Legacy 5V output for JB4 integration
- Universal CANbus harness for use with future flash tuning integration
Download the free BMS CANflex app here:
Kit with Fuel-It! Bluetooth ECA includes:
- Bluetooth Ethanol Content Analyzer (ECA)
- Plug and Play harness
Download the Fuel-It! ECA app here:
Vehicle Fitment
Compatible with B38, B46, B48, and B58 gasoline engines only.
• 2015-2019 B38/B48/B58 F20/F21 BMW 1 Series Hatchback 116i, 118i, 120i, 125i, M140i, and xDrive
• 2015-2021 B38/B46/B48/B58 F22/F23 BMW 2 Series Coupe and Convertible 218i, 220i, 230i, M240i, and xDrive
• 2015-2019 B38/B46/B48/B58 F30/F31 BMW 3 Series Sedan and Touring 318i, 320i, 330i, 340i, and xDrive
• 2016-2020 B46/B48/B58 F34 BMW 3 Series Gran Turismo 320i, 330i, 340i, and xDrive
• 2016-2019 B38/B48 F35 BMW 3 Series 318Li, 320Li, 330Li, and xDrive
• 2016-2020 B38/B46/B48/B58 F32 BMW 4 Series Coupe 418i, 420i, 430i, 440i, and xDrive
• 2016-2020 B46/B48/B58 F33 BMW 4 Series Convertible 420i, 430i, 440i, and xDrive
• 2015-2021 B38/B46/B48/B58 F36 BMW 4 Series Gran Coupe 418i, 420i, 430i, 440i, and xDrive
Trim, engine, and drivetrain availability varies by country and model year. Verify your vehicle has a B38, B46, B48, or B58 engine before ordering.
*For the JB4 platform connect the white or blue 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.
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