BMW 540i B58B30M0 ECU Firmware – MG1CS003 R0C9J8B2B (Decat + Vmax Removed)

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BMW 540i B58B30M0 ECU Firmware – MG1CS003 R0C9J8B2B (Decat + Vmax Removed)

  • Thread starter Thread starter Bin
  • Start date Start date
  • Tagged users Tagged users None
BMW 540i B58B30M0 ECU Firmware – MG1CS003 R0C9J8B2B (Decat + Vmax Removed)
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.

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A new product by Bin is available: BMW 540i B58B30M0 ECU Firmware – MG1CS003 R0C9J8B2B (Decat + Vmax Removed) MG1CS003 - BMW 540i 3.0T B58 ECU tune with Decat and Vmax delete – MG1CS003 full binary file


BMW 540i B58B30M0 ECU Firmware – MG1CS003 R0C9J8B2B (Decat + Vmax Removed) MG1CS003

Description​

ParameterValue
Producer:BMW
Series:5 Serie - Sedan
Model:540I 340hp
Model Year:2017
Name Engine:B58B30M0
Type (Engine):Turbo-Petrol
Displacement:2.998
Output:326.3PS / 240.0kW
Gear:Automatic Transmission
Producer (ECU):Bosch
Build (ECU):MG1CS003
Software:R0C9J8B2B
Checksum:No CS
Eprom 8-Bit sum:F38E
Nested Versions:2 modified versions included (Decat, Stage 2 + Vmax + Decat) + Original for reference
Project Type:Complete binary file
Read Hardware:Autotuner OBD
Project Size:2 097 152 bytes

Extended Product Information​

  • 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


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