exhaust mods
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Stage 2 BMW 540i B58B30M0 ECU Firmware – MG1CS003 R0C9J8B2B (Decat + Vmax Removed) MG1CS003
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...