BMW 6 serie F12/F13 - 2011 -> ... 640i 320hp 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 320 BHP to 365 BHP, with torque improving from 450 Nm to 520 Nm.