Fuel-It FLEX FUEL KIT for S58 BMW G8x M3 M4 -- Bluetooth & 5V

  • $ 479.00
Shipping calculated at checkout.


If you're running E85 or ethanol mixes in your G8x M3/M4, you need this kit!

Fuel-It Flex Fuel Kit E85

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! smart phone 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 kit includes the following:

  • Genuine Continental ethanol sensor
  • Fuel-It! Bluetooth enabled 0-5v analyzer
  • Two stainless steel braided fuel lines
  • One wiring harness with Posi-tap connector
  • Supports stand alone Bluetooth operation with the Fuel-It! app

    This kit is compatible with the following:

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

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    PRODUCT VIDEO

    Fuel-It! Bluetooth Flex-Fuel Analyzer (06:38)
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