If you're running E85 or ethanol mixes in your Audi S4, 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 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
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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
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
*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.