Fuel-It! Bluetooth FLEX FUEL KIT for AUDI S4
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 email@example.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.