BMW M240i, M340i, M440i, & M540i Bluetooth/CANflex Flex Fuel Kits for the G Chassis Gen 2 B58

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 you need this kit! This is a complete plug & play kit to install a flex fuel kit in your G-chassis B58 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 3 types of kits: Complete Kit with CANbus ECA and PnP Harness = Includes a plug and play harness compatible with stock ECU flashes, JB4, ECUteck, and MHD. *If you have a manual transmission or a BM3 tune, you must purchase the universal harness. Complete Kit with CANbus ECA and Universal Harness = Includes universal harness that works for all applications including manual cars and those running a BM3 flex fuel tune. Complete Kit with Fuel-It! Bluetooth ECA = Includes a bluetooth ECA for use with JB4 and the Fuel-It! app. *Does not include CANbus integration The complete kit with the BMS CANbus ECA includes the following: 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. Plug and play harness (optional) BMW/Supra Accessory Harness for S58/B58 motors Download the free BMS CANflex app here: Android CANflex app Apple (iOS) CANflex app The complete kit with Fuel-It! Bluetooth ECA includes the following: 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) Includes both Bluetooth App & 5v analog output for JB4 or flash tuning Download the Fuel-It! ECA app here: Android Fuel-It! ECA app Apple (iOS) Fuel-It! ECA app