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 B46/B48 you need this kit!
This is a complete plug & play kit to install a flex fuel kit in your G Chassis B46/B48 equipped BMW in about 30 minutes. (Check compatibility for your platform below)
Our new CANflex ECA sends your ethanol mixture four different ways for the ultimate tuning integration:
- CANbus via user selectable addressing for MHD, BM3, EcuTek, and JB4 integration
- Free CANflex Bluetooth app for iOS and Android
- LED display built into the head unit for quick visual readout
- 5v output for legacy support (older ECUs or non-CANbus JB4 integration)
Offered in both a plug and play harness and a universal harness. Manual transmission vehicles and BM3 require using the universal harness with posi-taps for CANbus.
The complete kit with the BMS CANbus ECA includes:
- Genuine Continental® ethanol sensor
- BMS CANflex LED ECA for use with JB4, MHD, & BM3
- Stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components
- Our new custom fitting now makes adding port injection easier than ever. Simply remove the 1/8" NPT fitting and add one of our optional port injection lines.
- Includes our 10bar low fuel pressure sensor critical for B58 tuning!
- Plug and play harness (optional)
- BMW/Supra Accessory Harness for S58/B58 motors
Download the free BMS CANflex app here:
The complete kit with Fuel-It! Bluetooth ECA includes:
- Genuine Continental® ethanol sensor
- Stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components
- Our new custom fitting now makes adding port injection easier than ever. Simply remove the 1/8" NPT fitting and add one of our optional port injection lines.
- Fuel-It! Bluetooth analyzer (iPhone or Android app must be downloaded to use this kit)
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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
Vehicle Fitment
BMW
• 2022+ G42 B48 BMW 220i, 230i
• 2019+ G20 G21 B46 B48 BMW 330i, 330e
• 2021+ G22 G23 G26 B48 BMW 430i
• 2017-2023 G30 B46 BMW B48 530i 530e
*For the BMW G-series 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.
*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.
INSTALL VIDEOS
CANflex variants and how to use the new app!
