BMW 3 serie E90/E91 - 2005 - 2010 M3 420hp ECU Remapping
A professional ECU remap can optimise the way your BMW 3 serie delivers power and torque, helping the vehicle feel stronger, smoother and more responsive in everyday driving.
The expected Stage 1 figures for this vehicle show an increase from 420 BHP to 440 BHP, with torque improving from 400 Nm to 430 Nm.