Stage 1 BMW X3 G01 xDrive30i ECU File – MG1CS003 / R0C9J8D2BAFNX0 (CAT OFF, Vmax, Sport Display) R0C9J8D

Change log

v1.0 — 2025-06-02

• Stage 1+ map for X3 G01 B48 engine
• CAT OFF configuration
• Top speed limiter removed
• Enabled Sport Display
• Exported as full binary with original backup

Release notes

v1.0 — 2025-06-02

• Intended for performance-oriented setups with de-cat exhaust
• Works seamlessly with Auto Tuner OBD flash tools
• OEM drivability retained while improving mid-range response

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