Bosch MED17.5.25 ECU Tuning
Engine control unit used in 34 supported models from 4 makes.
Audi with the Bosch MED17.5.25
All Audi tunesSEAT with the Bosch MED17.5.25
All SEAT tunes- SEAT Alhambra2015+1.4 TSI/TFSI S&SAutoTuner
- SEAT Arona2017+1.4 TSI/TFSI S&SAutoTuner
- SEAT Ateca2016+1.4 TSI/TFSI S&SAutoTuner
- SEAT Ibiza2008+6J, 6J-FL · 1.2 TSI S&S, 1.4 TSI/TFSI S&SAutoTuner
- SEAT Leon2013+5F MK1, 5F MK2 · 1.2 TSI S&S, 1.4 TSI/TFSI S&SAutoTuner
- SEAT Toledo2012+KG · 1.2 TSI S&SAutoTuner
Skoda with the Bosch MED17.5.25
All Skoda tunes- Skoda Fabia2015+1.2 TSI S&S, 1.4 TSI/TFSI S&SAutoTuner
- Skoda Karoq2017+1.4 TSI/TFSI (US), 1.4 TSI/TFSI S&SAutoTuner
- Skoda Kodiaq2017+I · 1.4 TSI/TFSI S&SAutoTuner
- Skoda Octavia2013+1.2 TSI S&S, 1.4 TSI/TFSI (US), 1.4 TSI/TFSI S&SAutoTuner
- Skoda Rapid2012+1.2 TSI S&S, 1.4 TSI/TFSI S&SAutoTuner
- Skoda Superb2015+1.4 TSI/TFSI S&SAutoTuner
- Skoda Yeti2008+1.2 TSI S&SAutoTuner
Volkswagen with the Bosch MED17.5.25
All Volkswagen tunes- Volkswagen Bora2013+1.4 TSIAutoTuner
- Volkswagen Caddy2015+4 · 1.2 TSI S&S, 1.4 TSI, 1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Coccinelle / Beetle2011+1.2 TSI S&SAutoTuner
- Volkswagen Golf2012+VII MKI, VII MKII, VIII · 1.2 TSI S&S, 1.4 TSI, 1.4 TSI/TFSI (US), 1.4 TSI/TFSI S&S, 1.4 TSI/TFSI S&S ACTAutoTuner
- Volkswagen Golf Sportvan2014+1.2 TSI S&S, 1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Gran Lavida2008+1.4 TSIAutoTuner
- Volkswagen Jetta2010+1.2 TSI S&S, 1.4 TSI/TFSI (US), 1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Lamando2015+1.4 TSI, 1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Lavida2008+1.4 TSIAutoTuner
- Volkswagen Passat2015+B8 · 1.4 TSI, 1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Polo2009+6C1, 6R · 1.2 TSI S&S, 1.4 TSI, 1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Scirocco2008+1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Sharan2015+1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Tiguan2016+1.4 TSI/TFSI S&SAutoTuner
- Volkswagen Touran2010+1.2 TSI S&S, 1.4 TSI, 1.4 TSI/TFSI S&SAutoTuner
About Bosch MED17.5.25 tuning
The Bosch MED17.5.25 engine control unit is supported in 34 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.