AUDI TT RS/RS3 Bluetooth Flex Fuel Kit for the 2.5L motor

  • $469.95
Shipping calculated at checkout.

SKU: VAG-FFK-A03

If you're running E85 or ethanol mixes in your Audi, 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 is a complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T in about 15 minutes. (Check compatibility for your platform below)

The kit includes the following:

  • Genuine Continental® ethanol sensor 
  • Upgraded fuel lines with nylon sheathing
  • Fuel-It! proprietary billet fittings
  • 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 Android product the app can be found by clicking here

    Replacement fuel lines are also available ala cart.

    This kit is compatible with the following

    • 2017+ Audi TT RS
    • 2017+ Audi RS3

    *For the Audi JB4 platform connect the white wire to position #16 on the JB4 25 pin harness.  Select WMI Ethanol Setup option 1 to enable pin location 15/16 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 info@fuel-it.com

    *Link to larger images of install pictures...click here

    *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


    Fuel-It! Bluetooth Flex-Fuel Analyzer (06:38)
    A short video overview of our Bluetooth Flex-Fuel analyzer and installation basics. For questions or to inquire about any of our fueling products, please visit us at www.fuel-it.com or email us at info@fuel-it.com Thanks for watching, Fuel-It! Follow us on instagram @ https://www.instagram.com/_fuel_it_/
    Like us on Facebook @ https://www.facebook.com/fuelit.biz/