BMW E39 M52B20 Stage 1 Remap – DMS TUNED

This BMW E39 equipped with the M52B20 engine came in completely stock for a full diagnostic check and Stage 1 ECU calibration. After confirming proper mechanical condition, we proceeded with a custom remap focused on drivability and efficiency.

BMW E39 M52B20 Stage 1 DMS Tuned BMW E39 dyno and diagnostic check BMW E39 ECU tuning session BMW E39 engine bay M52B20

What Was Done

  • Complete diagnostic scan
  • Health check verification
  • Custom Stage 1 ECU calibration

Calibration Focus

Fuel and ignition maps were optimized to improve throttle response, smooth out torque delivery and enhance overall drivability without compromising reliability.

BMW ECU Tuning Services

Discover more about our Stage 1, Stage 2 & custom ECU remapping or browse additional BMW performance projects by DMS TUNED.

Wake Up Your Stock BMW

Contact DMS TUNED for professional dyno tuning and custom calibration.