BMW 6 serie E63 - 2004 - 2010 645ci 333hp ECU Remapping
A professional ECU remap can optimise the way your BMW 6 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 333 BHP to 355 BHP, with torque improving from 450 Nm to 480 Nm.