Description
If you're running E85 or ethanol blends in your Audi S4, knowing your fuel’s ethanol content is essential for optimal performance and engine safety. This Bluetooth Flex Fuel Kit by Fuel-It! is a complete plug-and-play solution, allowing you to monitor real-time ethanol content via your smartphone or tablet using the Fuel-It! or JB4 mobile app. Designed for the Audi S4 B8 and B8.5 platforms, this kit can be installed in about 30 minutes with basic tools.
Key Features
-
Real-time ethanol content monitoring through Bluetooth
-
Compatible with both iOS and Android devices (Fuel-It! app required)
-
Includes 5V analog output for JB4 or flash tuning integration
-
Plug-and-play design for easy installation
-
High-quality components for long-lasting, ethanol-compatible performance
What's Included
-
Genuine Continental ethanol sensor
-
Fuel-It! Bluetooth analyzer
-
New 5/16" E85-compatible fuel lines for the engine bay
-
5/16" quick-connect fitting
-
Oetiker crimp clamps for secure installation
-
Complete installation hardware
App Compatibility
-
iOS Users: Download the Fuel-It! app from the App Store found by clicking here
-
Android Users: Download the Fuel-It! app from the Google Play Store found by clicking here
Optional replacement fuel lines are available separately.
Vehicle Compatibility
-
Audi S4 B8 (2009–2012)
-
Audi S4 B8.5 (2013–2016)
