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New Tuning File Available: BMW X4 G02 40i B58 ECU File – MG1CS003 R0C9J8I4B / R0C9J8I4BCGNX0 (CAT OFF, Vmax OFF, Sport Display) R0C9J8I4B - Stage 2 for BMW X4 40i G02 — Vmax OFF, Sport Display enabled, CAT delete ready.
Welcome to the official discussion thread for the BMW X4 40i tuning package. This calibration is specifically developed for the MG1CS003 ECU and optimized to work seamlessly with the Automatic.
Target Performance: 360.0PS / 264.8kW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: BMW X4 40i
Welcome to the official discussion thread for the BMW X4 40i tuning package. This calibration is specifically developed for the MG1CS003 ECU and optimized to work seamlessly with the Automatic.
Target Performance: 360.0PS / 264.8kW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer.
Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website.
Please note: these files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without verifying mechanical condition.
The seller takes no responsibility for misuse or non-compliant road use.
Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website.
Please note: these files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without verifying mechanical condition.
The seller takes no responsibility for misuse or non-compliant road use.
Extended Product Information
- Stage 2 ECU remap for BMW G02 X4 40i with B58 engine (MG1CS003)
- CAT OFF — exhaust monitoring disabled for decat use
- Top speed limiter (Vmax) fully removed
- Sport Display unlосkеd for live power/torque display
- Designed for all-wheel-drive (AWD) drivetrain compatibility
- Tested and bench-read with FEMTO system
- Original binary included for factory restore
- Safe calibration with torque structure preserved
- Not emissions certified — for off-road/motorsport use only
➜ Download Tuning File / View Full Specs
