Bosch MED17.4 ECU Tuning
Engine control unit used in 22 supported models from 5 makes.
Citroen with the Bosch MED17.4
All Citroen tunes- Citroen C42005+1.6 THPAutoTuner
- Citroen C4 AirCross2012+1.6 THPAutoTuner
- Citroen C4 Picasso2007+1.6 THPAutoTuner
- Citroen C4 Space Tourer2018+1.6 THPAutoTuner
- Citroen C52008+1.6 THPAutoTuner
- Citroen DS32009+I · 1.6 THPAutoTuner
- Citroen DS42010+1.6 THPAutoTuner
- Citroen DS52012+1.6 THPAutoTuner
- Citroen Picasso2013+1.6 THPAutoTuner
DS with the Bosch MED17.4
All DS tunesOpel with the Bosch MED17.4
All Opel tunes- Opel Grandland2017+A · 1.6 THPAutoTuner
Peugeot with the Bosch MED17.4
All Peugeot tunes- Peugeot 2072006+1.6 THPAutoTuner
- Peugeot 2082012+1.6 THPAutoTuner
- Peugeot 3082007+2013, PHASE I · 1.6 THPAutoTuner
- Peugeot 4082010+1.6 THPAutoTuner
- Peugeot 5082011+Phase 1, Phase 2 · 1.6 THPAutoTuner
- Peugeot 30082009+1.6 THPAutoTuner
- Peugeot 50082009+1.6 THPAutoTuner
- Peugeot RCZ2010+1.6 THPAutoTuner
Vauxhall with the Bosch MED17.4
All Vauxhall tunes- Vauxhall Grandland2017+A · 1.6 THPAutoTuner
About Bosch MED17.4 tuning
The Bosch MED17.4 engine control unit is supported in 22 models from Citroen, DS, Opel, Peugeot, Vauxhall. 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.