BMW E46 318i 2.0 M46B20 – Stage 1 ECU Tune

This BMW E46 318i powered by the M46B20 2.0L engine received a custom Stage 1 ECU calibration by DMS TUNED.

The goal was clear: improve throttle response, mid-range torque and overall drivability while keeping factory reliability.

BMW E46 318i M46B20 DMS Tuned BMW E46 dyno tuning session BMW E46 Stage 1 remap results BMW E46 engine bay M46B20 BMW E46 dyno graph 149hp

Dyno Results

  • Stock: 138HP / 185Nm
  • After Stage 1: 149HP / 210Nm
  • Gain: +11HP / +25Nm

Stage 1 Calibration Focus

  • Ignition timing optimization
  • Fuel map refinement
  • Improved part-throttle response
  • Smoother torque delivery across the rev range

The result is a sharper and more responsive E46 that feels stronger throughout the entire RPM range.

BMW ECU Tuning Services

Learn more about our Stage 1 & custom ECU remap services or explore more BMW tuning projects completed by DMS TUNED.

Book Your Stage 1 Upgrade

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