![AUDI RS3 8Y 2.5 TFSI [ECU] [22-24] MITSUBISHI INTERCOOLER the factory Bosch MG1CS163 ECU](https://cdn.shopify.com/s/files/1/0184/6316/files/unitronic-ECU-2copy_e3c78be4-3e81-44c8-a467-4541a006f0f5.jpg?v=1748630151)
![AUDI RS3 8Y 2.5 TFSI [ECU] [22-24] MITSUBISHI INTERCOOLER the factory Bosch MG1CS163 ECU](https://cdn.shopify.com/s/files/1/0184/6316/files/ScreenShot2025-05-30at11.08.25AM.png?v=1748630151)
![AUDI RS3 8Y 2.5 TFSI [ECU] [22-24] MITSUBISHI INTERCOOLER the factory Bosch MG1CS163 ECU](https://cdn.shopify.com/s/files/1/0184/6316/files/ScreenShot2025-05-30at11.26.49AM.png?v=1748630151)
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the factory Bosch MG1CS163 ECU receives ethanol content over the CAN-bus and utilizes this fuel composition data to blend mapping of timing
so Unitronic is happy to offer three options regarding the ECU Unlock
Unitronic Software Engineers quickly developed an ECU unlock solution
NOTE: E85 calibrations are not full flex fuel calibrations
AUDI RS3 8Y 2.5 TFSI [ECU] [22-24] MITSUBISHI INTERCOOLER the factory Bosch MG1CS163 ECUAFTER PURCHASE WE WILL CONTACT YOU AND ASK YOUR PREFERRED ECU UNLOCK METHOD Unitronic Performance ECU Software will soon be available for the 8Y (2022 2024) Audi RS3 equipped with the 2. 5TFSI EVO DXH engines in North America (NAR) with UniFLEX (Flex Fuel) and all new Unitronic Advanced Features (UAF) Add Ons. With testing and validations completed, power output on the North American (NAR) 8Y RS3 is increased by up to +201HP +152LB FT with Unitronic
