Bosch MG1CS221 ECU Tuning
Engine control unit used in 12 supported models from 3 makes.
Alpina with the Bosch MG1CS221
All Alpina tunes- Alpina XB72026+4.4 V8 MHEVAutoTuner
BMW with the Bosch MG1CS221
All BMW tunes- BMW 7-serie2023+G70 · M60i MHEVAutoTuner
- BMW M52024+G90-G99 · 4.4 V8 PHEVAutoTuner
- BMW X52023+G05-LCI · 4.4 (M compet.), M60i MHEVAutoTuner
- BMW X5 M2023+F95-LCI · 4.4 (M compet.)AutoTuner
- BMW X62023+G06-LCI · 4.4 (M compet.), M60i MHEVAutoTuner
- BMW X6 M2023+F96-LCI · 4.4 (M compet.)AutoTuner
- BMW X72023+G07-LCI · M60i MHEVAutoTuner
- BMW XM2022+4.4 (XM Red Label), 4.4 (XM)AutoTuner
Land Rover with the Bosch MG1CS221
All Land Rover tunes- Land Rover Defender2024+4.4 V8 P635 (MHEV)AutoTuner
- Land Rover Range Rover2022+L460 · 4.4 V8 P530 (MHEV), 4.4 V8 P615 (MHEV)AutoTuner
- Land Rover Range Rover Sport2022+L461 · 4.4 V8 P530 (MHEV)AutoTuner
About Bosch MG1CS221 tuning
The Bosch MG1CS221 engine control unit is supported in 12 models from Alpina, BMW, Land Rover. 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.