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Customer result
BMW F40 118i 7DCT300 TCU tuning
For this BMW F40 118i, the GETRAG 7DCT300 transmission control unit was read and optimized. The calibration was matched to a Stage 1 engine setup, while keeping key safety strategies and focusing on smoother, faster and more predictable shift behavior.
TCU tuning / gearbox calibrationB38
TCU
7DCT300
Read method
Internal flash
Torque context
approx. 300 Nm
Project visual
Vehicle
BMW F40 118i 7DCT300 TCU tuning
Generation
F40
Engine
B38
Transmission
GETRAG 7DCT300
Fuel
Petrol
TCU
GETRAG 7DCT300
Service
TCU tuning - TCU tuning / gearbox calibration
Technical notes
- 7DCT300 TCU read via internal flash
- Bench mode with HEXPROG II
- Torque limits adjusted around 300 Nm
- Faster and smoother gear changes
- Refined torque intervention
- D and S mode optimized
- Original coding and software structure kept intact
- Safety limits and protection retained
- Software version: 1695D07_300BM_BE540Z0_PR_BC1__20211007_102728
- Engine context: Stage 1 around 190–195 hp / 290–300 Nm; these are context figures, not a separately measured TCU result
