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Fuel-It! Bluetooth FLEX FUEL KIT for AUDI S4

Regular price $449.95 USD
Regular price Sale price $449.95 USD
Sale Sold out

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

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

This is a complete plug and play kit to install a Bluetooth ethanol sensor in your Audi S4 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
  • 5/16" quick connect fitting
  • Oetiker crimp clamps to secure your new fuel lines
  • Includes both Bluetooth App & 5v analog output for JB4 or flash tuning

This kit is compatible with the following

  • Audi S4 B8
  • Audi S4 B8.5

    *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 info@fuel-it.com

    *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

    PRODUCT VIDEO