Stage 2 BMW F30 330i B48 ECU File – MG1CS003 R1C9J8B2B (DME8.4.1 Calibration) 1C9J8B2B

Change log

  • v1.0 — 2025-06-01
    • Stage 2 file for MG1CS003 (BMW 330i B48)
    • Torque and load strategies optimized
    • Throttle mapping and lambda control updated
    • DTC-free calibration with OEM reliability in mind​

Release notes

  • v1.0 — 2025-06-01
    • Developed for enthusiasts seeking maximum performance with factory drivability
    • Safe, dyno-tested upgrade for the B48 platform
    • Ideal for use with performance intakes, exhausts, and high-octane fuel​