Bosch MED9.1.x ECU Tuning

Engine control unit used in 40 supported models from 9 makes.

Artega with the Bosch MED9.1.x

Audi with the Bosch MED9.1.x

  • Audi A12010+8X · 2.0 TFSIAutoTuner
  • Audi A32003+8P · 2.0 TFSIAutoTuner
  • Audi A42004+B7 · 2.0 TFSIAutoTuner
  • Audi A62008+C6-FL · 4.2 V8 FSIAutoTuner
  • Audi A82003+D3 · 4.2 V8 FSIAutoTuner
  • Audi Q72006+4L · 4.2 V8 FSIAutoTuner
  • Audi R82006+42 · 4.2 V8 FSI, 5.2 V10 FSIAutoTuner
  • Audi RS32011+8P · 2.5 TFSIAutoTuner
  • Audi RS42006+B7 · 4.2 V8 FSIAutoTuner
  • Audi RS62008+C6 · 5.0 TFSIAutoTuner
  • Audi S32006+8P · 2.0 TFSIAutoTuner
  • Audi S52007+B8 · 4.2 V8 FSIAutoTuner
  • Audi S62004+C6 · 5.2 V10 FSIAutoTuner
  • Audi S82006+D3 · 5.2 V10 FSIAutoTuner
  • Audi TT2006+8J · 2.0 TFSIAutoTuner
  • Audi TT RS2010+8J · 2.5 TFSIAutoTuner
  • Audi TT S2007+8J · 2.0 TFSIAutoTuner

Bugatti with the Bosch MED9.1.x

KTM with the Bosch MED9.1.x

Lamborghini with the Bosch MED9.1.x

Porsche with the Bosch MED9.1.x

SEAT with the Bosch MED9.1.x

Skoda with the Bosch MED9.1.x

Volkswagen with the Bosch MED9.1.x

About Bosch MED9.1.x tuning

The Bosch MED9.1.x engine control unit is supported in 40 models from Artega, Audi, Bugatti, KTM, Lamborghini, Porsche, SEAT, Skoda, Volkswagen. We read, modify, and flash it with AutoTuner, then verify the result on our Dynojet 424xLC2 in Jenison, MI. A custom calibration optimizes fueling, ignition timing, boost, and torque limits for your exact build.

Browse all supported ECUs and TCUs

Don't See Your Vehicle?

These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.