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 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.
PRODUCT VIDEO Fuel-It! Bluetooth Flex-Fuel Analyzer (06:38) A short video overview of our Bluetooth Flex-Fuel analyzer and installation basics.
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