Bosch MED17.1 ECU Tuning
Engine control unit used in 26 supported models from 3 makes.
Audi with the Bosch MED17.1
All Audi tunesSEAT with the Bosch MED17.1
All SEAT tunes- SEAT Alhambra2010+1.4 TSI/TFSIAutoTuner
- SEAT Exeo2009+2.0 TFSIAutoTuner
- SEAT Ibiza2008+6J · 1.4 TSI/TFSIAutoTuner
- SEAT Leon2005+1P · 2.0 TFSIAutoTuner
Volkswagen with the Bosch MED17.1
All Volkswagen tunes- Volkswagen CC2012+2.0 TFSIAutoTuner
- Volkswagen Coccinelle / Beetle2011+1.4 TSI/TFSIAutoTuner
- Volkswagen Eos2006+1.4 TSI/TFSIAutoTuner
- Volkswagen Golf2008+VI, VII MKI · 1.4 TSI/TFSI, 2.0 TFSIAutoTuner
- Volkswagen Jetta2010+1.4 TSI/TFSIAutoTuner
- Volkswagen Passat2010+B7 · 1.4 TSI/TFSI, 2.0 TFSIAutoTuner
- Volkswagen Passat CC2008+1.4 TSI/TFSI, 2.0 TFSIAutoTuner
- Volkswagen Polo2009+6R · 1.4 TSI/TFSIAutoTuner
- Volkswagen Scirocco2008+1.4 TSI/TFSIAutoTuner
- Volkswagen Sharan2004+1.4 TSI/TFSIAutoTuner
- Volkswagen Taos2020+1.4 TSI/TFSIAutoTuner
- Volkswagen Tharu2018+1.4 TSI/TFSIAutoTuner
- Volkswagen Tiguan2007+1.4 TSI/TFSIAutoTuner
- Volkswagen Transporter / Multivan / Caravelle2003+T5, T6 · 2.0 TFSI, 2.0 TFSI - TSIAutoTuner
- Volkswagen Virtus2018+1.4 TSI GTS, 250 TSIAutoTuner
About Bosch MED17.1 tuning
The Bosch MED17.1 engine control unit is supported in 26 models from Audi, SEAT, 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.