Bosch MED17.5.1 ECU Tuning
Engine control unit used in 13 supported models from 4 makes.
Audi with the Bosch MED17.5.1
All Audi tunes- Audi A12010+8X · 1.4 TSI/TFSIAutoTuner
SEAT with the Bosch MED17.5.1
All SEAT tunes- SEAT Leon2005+1P · 1.4 TSI/TFSIAutoTuner
- SEAT Toledo2006+5P, KG · 1.4 TSI/TFSIAutoTuner
Skoda with the Bosch MED17.5.1
All Skoda tunes- Skoda Octavia2005+1.4 TSI/TFSIAutoTuner
- Skoda Rapid2012+1.4 TSI/TFSIAutoTuner
- Skoda Yeti2008+1.4 TSI/TFSIAutoTuner
Volkswagen with the Bosch MED17.5.1
All Volkswagen tunes- Volkswagen Eos2006+1.4 TSI/TFSIAutoTuner
- Volkswagen Golf2003+V, VI · 1.4 TSI/TFSIAutoTuner
- Volkswagen Jetta2005+1.4 TSI/TFSIAutoTuner
- Volkswagen Passat2010+B7 · 1.4 TSI/TFSIAutoTuner
- Volkswagen Scirocco2008+1.4 TSI/TFSIAutoTuner
- Volkswagen Tiguan2007+1.4 TSI/TFSIAutoTuner
- Volkswagen Touran2003+1.4 TSI/TFSIAutoTuner
About Bosch MED17.5.1 tuning
The Bosch MED17.5.1 engine control unit is supported in 13 models from Audi, 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.
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.