BMW S63TU M5 M6 M8 X5M X6M Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring

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, you need this kit!

This is a complete plug & play kit to install a flex fuel kit in your S63 equipped BMW in about 30 minutes. (Check compatibility for your platform below)

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.

We now offer 2 types of kits:

1. CANbus ECA and Universal Harness kit = Includes universal harness that works for all applications including manual cars and those running a BM3 flex fuel tune.
2. Fuel-It! Bluetooth ECA kit = Includes a Bluetooth ECA for use with JB4 and the Fuel-It! app. *Does not include CANbus integration

BMS CANbus ECA kit includes:

• Genuine Continental ethanol sensor
• BMS CANflex LED ECA for use with JB4, MHD, & BM3
• Billet custom fittings
• Stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components

CANflex ECA’s support all the popular CANbus addresses (0xec, 0x4cb, etc), including custom addressing.

Download the free BMS CANflex app here:

*****Wiring diagram for the new BMS Bluetooth CANflex Harness*****

• Red: (originally Red/Green): 12v switched power via fuse tap or posi-tap
• Black: Chassis ground
• Brown: (originally Orange): CAN-