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New Tuning File Available: BMW 335i N54B30 ECU Calibration – MSD81 ITC3S Software (Pop&Bang + Decat Included) 0044CC0IJE0SITC3S - ECU calibration file for BMW 335i with N54B30 twin-turbo engine and Siemens MSD81 ECU (ITC3S software). Built for 2008 models with automatic transmission, this full binary includes catalytic converter removal (Decat) and Pop&Bang in Sport mode. All torque, fueling, and ignition maps are optimised for better throttle response and aggressive acoustics.
Welcome to the official discussion thread for the BMW 335i - N54 - 306hp tuning package. This calibration is specifically developed for the MSD81 ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 306.0PS / 225.1kW.
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 335i - N54 - 306hp
Welcome to the official discussion thread for the BMW 335i - N54 - 306hp tuning package. This calibration is specifically developed for the MSD81 ECU and optimized to work seamlessly with the Automatic Transmission.
Target Performance: 306.0PS / 225.1kW.
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
- Full ECU calibration for BMW 335i N54B30 with Siemens MSD81 (ITC3S)
- Includes Decat — post-cat lambda logic and DTCs disabled
- Pop & Bang in Sport mode for aggressive exhaust sound
- Torque and load limiters adjusted for strong throttle response
- Ignition and fueling refined for performance and acoustics
- Checksum not calculated — external validation required
- Includes original + 2 tuned variants (Decat only, Decat + Pop&Bang)
- Flashed via Magic Motorsport MAGPRO (Bench/FLex)
- Ideal for decat exhaust systems and enthusiast street builds
➜ Download Tuning File / View Full Specs
