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Bosch · ECU family

MED 17.1.1 ECU Tuning Solutions

The Bosch MED 17.1.1 engine control unit is used in Audi, Bmw, Mercedes, Mini 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

Lambda Off✓ available

O2/lambda sensor deactivation for decat setups (off-road).

Stage 1✓ available

Power remap on stock hardware — optimized torque, boost and injection maps.

Stage 2✓ available

Power remap for upgraded hardware (downpipe/intake) — more aggressive calibration.

Pops & Bangs✓ available

Verified calibration solution.

E85 Conversion✓ available

Ethanol E85 fuel conversion calibration.

Vehicle applications

Audi A5 4.2 FSI
Audi A6 4.0 TSI TFSI
Audi A8 4.0 TSI TFSI
Audi R8 5.2 FSI
Audi RS3 2.5 TSI TFSI
Audi RS5 4.2 FSI
Audi RS6 4.0 TSI TFSI
Audi RSQ3 2.5 TSI TFSI
Audi S6 4.0 TSI TFSI
Audi S7 4.0 TSI TFSI
Audi S8 4.0 TSI TFSI
Bmw E9x 3.5i
Mercedes E 55 AMG
Mini Countryman S 1.6 T
Mini Countryman S 1.6 T JCW

How it works

  1. 1. Upload your read

    Full backup from any tool (KESS, KTAG, KT200, Autotuner, Foxflash…).

  2. 2. Auto-detect

    The platform identifies the MED 17.1.1 and your exact software version.

  3. 3. Apply & download

    Choose the solution, it is applied automatically — download and flash.

Frequently asked questions

Which vehicles use the MED 17.1.1 ECU?

The Bosch MED 17.1.1 is found in Audi, Bmw, Mercedes, Mini vehicles — for example Audi A5 4.2 FSI, Audi A6 4.0 TSI TFSI, Audi A8 4.0 TSI TFSI. TFM ECU auto-detects the exact calibration from your file.

What solutions are available for MED 17.1.1?

TFM ECU has verified solutions for MED 17.1.1 in these categories: Lambda Off, Stage 1, Stage 2, Pops & Bangs, E85 Conversion. 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 17.1.1 file?

Upload your stock read in the TFM ECU platform, the system detects the MED 17.1.1 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 17.1.1 file

Upload a read and see the compatible solutions in seconds.

Open Quick Solutions