Optimized ECU firmware for BMW 540i (G30) with the B58B30M0 engine and Bosch MG1CS003 ECU. This complete binary file, based on software version R0C9J8B2B, includes Stage 2 tuning with Vmax limiter removal and Decat logic (post-cat lambda off). Designed for ULEV70-spec models with automatic transmission, this remap delivers enhanced performance, throttle response, and off-road exhaust flexibility.
Overview Feature list Copyright info Releases (1) Discussion
- ECU tuning for BMW 540i 3.0 B58 (MG1CS003)
- Stage 2 calibration with boost, torque and fuel maps optimized
- Top speed limiter (Vmax) completely disabled
- Decat logic included — post-cat lambda monitoring off
- Supports high-flow exhaust and downpipe setups
- Checksum not calculated — external tool validation required
- Supplied as complete binary file with original version
- Flashable via Autotuner OBD protocol
- For off-road, motorsport or export vehicles