Bluetooth Flex Fuel Kit for Audi RS3 (8V/8Y) & TT RS (8S) 2.5T

If you're running E85 or ethanol blends in your Audi, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol sensor in your Audi 2.5T in about 15 minutes. Ethanol content can be easily connected to the OBD port for native FlexFuel through DS1. Simply cut the wire running to Pin 15 in your OBD port and attach the white wire from the content sensor to the back of the cut wire end. Once the DS1 is connected & flashed you'll have full flex fuel ability (pending tuning). The kit includes the following: Genuine Continental® ethanol sensor Upgraded fuel lines with nylon sheathing Fuel-It! proprietary billet fittings Fuel-It! Bluetooth analyzer (iPhone or Android app must be downloaded to use this kit) Plug and play harness Includes both Bluetooth App & 5v analog output for DS1 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: 2017+ Audi TTRS 2017+ Audi RS3 Note: European versions of the RS3 8Y and TTRS platforms are not compatible without modifications and re-using your stock connector in place of the supplied elbow connection.