Take control of your ethanol blend with this Bluetooth flex fuel kit for the Audi S4 B8 and B8.5. Designed for cars running E85 or mixed ethanol fuels, it provides accurate, real-time ethanol content straight to your phone, making it an ideal upgrade for tuning and reliability. Supplied by Nforcd in the UK, this plug and play solution installs in around 30 minutes and integrates with the Fuel-It app or JB4 for effortless monitoring.
- Real-time ethanol percentage displayed via Bluetooth in the Fuel-It or JB4 app on your smartphone or tablet
- Includes 5 V analogue output for JB4 or flash tuning integration
- Genuine Continental ethanol content sensor for dependable accuracy
- E85 compatible 5/16 inch fuel lines with 5/16 inch quick connect fitting
- Oetiker crimp clamps included for secure installation
- Plug and play kit, installs in about 30 minutes
- Replacement fuel lines available separately
- Vehicle fitment: Audi S4 B8 and Audi S4 B8.5
This Bluetooth ethanol content kit is a smart, aftermarket upgrade for any flex-fuel or E85 S4 build, letting you verify blends on the go and tune with confidence. iPhone and Android app support included. If you are unsure about compatibility, contact Nforcd for guidance.
Nforcd offers professional fitting in Warwickshire. To request a fitting quote, email Sales@nforcd.com.


