Stage 2 BMW 240i F22 B58 ECU File – MG1CS003 R1C9J8B3B (CAT OFF, Vmax OFF, Sport Display) R1C9J8B3BCEKX1

Change log

  • v1.0 — 2025-06-01
    • Stage 2 calibration prepared for MG1CS003 ECU
    • CAT OFF, Vmax limiter deleted, and Sport Display enabled
    • Fully compatible with FEMTO read/write interfaces
    • Original file included for ECU recovery​

Release notes

  • v1.0 — 2025-06-01
    • Ideal for enthusiasts upgrading their BMW 240i with downpipes or intake mods
    • Delivers improved driving dynamics while keeping stock-like reliability
    • Motorsport/off-road use only — emissions regulations must be respected​
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