Bosch · ECU family
MED 9.1 ECU Tuning Solutions
The Bosch MED 9.1 engine control unit is used in Audi, Seat, Skoda, Volkswagen vehicles. TFM ECU has verified solutions for this family — upload your stock read, the platform auto-detects your exact calibration and applies the solution automatically. Part of a catalog covering 450+ ECU families and 110000+ automated solutions.
Available solutions
Power remap on stock hardware — optimized torque, boost and injection maps.
Ethanol E85 fuel conversion calibration.
Power remap for upgraded hardware (downpipe/intake) — more aggressive calibration.
O2/lambda sensor deactivation for decat setups (off-road).
Verified calibration solution.
Vehicle applications
How it works
- 1. Upload your read
Full backup from any tool (KESS, KTAG, KT200, Autotuner, Foxflash…).
- 2. Auto-detect
The platform identifies the MED 9.1 and your exact software version.
- 3. Apply & download
Choose the solution, it is applied automatically — download and flash.
Frequently asked questions
Which vehicles use the MED 9.1 ECU?
The Bosch MED 9.1 is found in Audi, Seat, Skoda, Volkswagen vehicles — for example Audi A3 2.0 TSI TFSI, Audi A4 2.0 TSI TFSI, Audi A6 2.0 TSI TFSI. TFM ECU auto-detects the exact calibration from your file.
What solutions are available for MED 9.1?
TFM ECU has verified solutions for MED 9.1 in these categories: Stage 1, E85 Conversion, Stage 2, Lambda Off, Pops & Bangs. Each solution is built from a real original/modified file pair and verified end-to-end.
How do I apply a solution to my MED 9.1 file?
Upload your stock read in the TFM ECU platform, the system detects the MED 9.1 and your exact software version, shows the compatible solutions, and applies your selection automatically. You download the modified file ready to flash.
Try it with your own MED 9.1 file
Upload a read and see the compatible solutions in seconds.
Open Quick Solutions