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New Tuning File Available: BMW 750i N63B44O0 ECU File – MSD85 0047920IL20SIS9X6 Firmware (Vmax + Decat) 0047920 - BMW 750i 4.4 V8 twin-turbo ECU remap with Vmax removal and Decat – MSD85, full binary
Welcome to the official discussion thread for the BMW 750i 407hp tuning package. This calibration is specifically developed for the MSD85 ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 407.9PS / 300.0kW.
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 750i 407hp
Welcome to the official discussion thread for the BMW 750i 407hp tuning package. This calibration is specifically developed for the MSD85 ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 407.9PS / 300.0kW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- ECU calibration for BMW 750i 4.4 V8 twin-turbo (N63B44O0, MSD85)
- Stage 2 tuning with full boost and fuel curve optimization
- Top speed limiter (Vmax) removed
- Decat logic enabled – lambda and catalyst diagnostics disabled
- Mapped for automatic transmission operation
- Compatible with aftermarket downpipe and exhaust setups
- Checksum not corrected – validate externally
- Complete binary file read via Autotuner Bench
- Includes original version for rollback or comparison
➜ Download Tuning File / View Full Specs
