This Stage 2 Performance (E85 Tune) - 2.5 TFSI EVO is compatible with Unitronic's UniCONNECT+ cable, empowering you to tune it yourself from the comfort of your own home or garage! - Deutsche Auto Parts
APR 2.5 TFSI EA855 EVO ECU Upgrade
Fuel-It! Bluetooth FLEX FUEL KIT for AUDI S4
Audi RS3 TTRS Gen 2 Bluetooth Flex Fuel Kit, E85, Ethanol, Sensor TT RS 0-5V | eBay
APR 2.5 TFSI EA855 EVO ECU Upgrade
2.5TFSI Flex Fuel Sensor Kit
AUDI C7 S7 4.0T HIGH FLOW E85 Flex Fuel kit - Engine Bay Kit - Parallel Feed to each HPFP - SENSOR NOT INCLUDED - TURBO BOOST LEAK TESTERS
4.0TFSI Fuel Line Re-Route Kit
034Motorsport 2.5TFSI EVO Performance Software, 8V/8S Audi RS3/TTRS
Injector (Bosch-OEM) for Audi B8-B8.5 A4, A5 and allroad 2.0T TFSI (Flex Fuel)
APR - ECU Upgrade - Audi B8.5 A4 - 2.0T TFSI Valve Lift - Including Flex Fuel Vehicles