Fuel-It! Flex Fuel Kit S58 BMW G8X M2 M3 M4

If you're running E85 or ethanol mixes in your G80 M3 or G82 G83 M4, you need this kit!

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

This complete flex fuel kit installs in under 30 minutes and reads your exact E85 mixture in the Fuel-It! smartphone app or JB4 app if equipped. Features CNC machined fittings for a quick plug and play installation with nylon sleeved stainless steel braided fuel lines for life long leak free operation.

The complete kit includes the following:

• Genuine Continental ethanol sensor
• Fuel-It! Bluetooth Universal Analyzer (view E85 mix via Fuel-It! app) OR CANflex ECA (no Fuel-It! app support without the Bluetooth ECA), view E85 mix via JB4 or flash logging)
• Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components
• Proprietary custom billet fittings for plug and play OEM integration
• One wiring harness with Posi-tap connector
• Bluetooth Model Supports stand-alone Bluetooth operation with the Fuel-It! app

• 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

This kit is compatible with the following:

• 2021+ S58 G80 BMW M3 
• 2021+ S58 G82 G83 BMW M4