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Fuel-It! Bluetooth FLEX FUEL KIT for B58 BMW X5 40 (G05)

Regular price $349.95 USD
Regular price Sale price $349.95 USD
Sale Back-Ordered

Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet.

If you're running E85 or ethanol mixes in your BMW, you need this kit!

This is a complete plug & play kit to install a Bluetooth ethanol sensor in your 2019+ B58 BMW X5 (G05) in about 30 minutes. (Check compatibility for your platform below)

The kit includes the following:

  • New 5/16" E85 compatible fuel lines for your engine bay
  • Genuine Continental ethanol sensor
  • 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 Andriod® product the app can be found by clicking here

This kit is compatible with the following

  • 2019+ B58 BMW X5 40i and Xdrive (G05)

*For the BMW B58 G2 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.

*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

*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.

 Fuel-It! E85 Ethanol Content Tester