Bosch MG1CS042 ECU Tuning

Engine control unit used in 13 supported models from 6 makes.

Citroen with the Bosch MG1CS042

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

Vauxhall with the Bosch MG1CS042

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.

Browse all supported ECUs and TCUs

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.