Bosch MG1CS042 ECU Tuning
Engine control unit used in 13 supported models from 6 makes.
Citroen with the Bosch MG1CS042
- Citroen C5 Aircross2018+1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid2, 1.6 THP PureTech GPF Hybrid4AutoTuner
- Citroen DS7 Crossback2017+1.6 THP PureTech GPFAutoTuner
- Citroen DS92020+Hybrid4 360AutoTuner
DS with the Bosch MG1CS042
- DS DS7 Crossback2017+1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid4AutoTuner
- DS DS92020+Hybrid4 360AutoTuner
Opel with the Bosch MG1CS042
- Opel Grandland2017+A · 1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid4AutoTuner
Peugeot with the Bosch MG1CS042
- Peugeot 3082017+PHASE II · 1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid2AutoTuner
- Peugeot 5082018+Phase 3 · 1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid2, 1.6 THP PureTech GPF Hybrid4AutoTuner
- Peugeot 508 Peugeot Sport Engineered2020+Hybrid4 360AutoTuner
- Peugeot 30082016+1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid2, 1.6 THP PureTech GPF Hybrid4AutoTuner
- Peugeot 50082017+1.6 THP PureTech GPFAutoTuner
Secma with the Bosch MG1CS042
- Secma F16 Turbo2016+1.6 THP PureTech GPFAutoTuner
Vauxhall with the Bosch MG1CS042
- Vauxhall Grandland2017+A · 1.6 THP PureTech GPF, 1.6 THP PureTech GPF Hybrid4AutoTuner
About Bosch MG1CS042 tuning
The Bosch MG1CS042 engine control unit is supported in 13 models from Citroen, DS, Opel, Peugeot, Secma, 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.

All Citroen tunes
All DS tunes
All Opel tunes
All Peugeot tunes
All Secma tunes
All Vauxhall tunes