Bosch MG1CS031 ECU Tuning
Engine control unit used in 22 supported models from 5 makes.
Audi with the Bosch MG1CS031
All Audi tunes- Audi A12018+GB · 2.0 TSIAutoTuner
- Audi A32019+8Y · 2.0 TSI, 40 TFSI (2.0) EU6dAutoTuner
- Audi A42018+B9-FL · 35 TFSI (2.0), 40 TFSI (2.0)AutoTuner
- Audi A52019+F5-FL · 35 TFSI (2.0), 40 TFSI (2.0)AutoTuner
- Audi Q22021+2.0 TSI EU6d, 40 TFSI (2.0) EU6dAutoTuner
- Audi Q32018+F3 · 40 TFSI (2.0) EU6dAutoTuner
- Audi Q52017+FY · 40 TFSI (2.0)AutoTuner
- Audi TT2018+8S-FL · 40 TFSI (2.0) EU6dAutoTuner
Cupra with the Bosch MG1CS031
All Cupra tunes- Cupra Formentor2020+2.0 TSI EU6dAutoTuner
SEAT with the Bosch MG1CS031
All SEAT tunes- SEAT Ateca2020+2.0 TSI EU6dAutoTuner
- SEAT Leon2020+2.0 TSI EU6dAutoTuner
- SEAT Tarraco2019+2.0 TSI EU6dAutoTuner
Skoda with the Bosch MG1CS031
All Skoda tunes- Skoda Karoq2022+2.0 TSI EU6dAutoTuner
- Skoda Kodiaq2023+II · 2.0 TSI EU6dAutoTuner
- Skoda Octavia2020+2.0 TSI EU6dAutoTuner
- Skoda Superb2019+2.0 TSI EU6dAutoTuner
Volkswagen with the Bosch MG1CS031
All Volkswagen tunes- Volkswagen Arteon2020+2.0 TSI EU6dAutoTuner
- Volkswagen Golf2020+VIII · 2.0 TSI EU6dAutoTuner
- Volkswagen Passat2019+2.0 TSI EU6dAutoTuner
- Volkswagen Polo2021+A0 Ph2 · 2.0 TSIAutoTuner
- Volkswagen T-Roc2017+2.0 TSI EU6dAutoTuner
- Volkswagen Tiguan2021+2.0 TSI EU6dAutoTuner
About Bosch MG1CS031 tuning
The Bosch MG1CS031 engine control unit is supported in 22 models from Audi, Cupra, 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.