BMW X4 F26 - 2014 - 2017 M40i 360hp ECU Remapping
A professional ECU remap can optimise the way your BMW X4 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 360 BHP to 400 BHP, with torque improving from 500 Nm to 580 Nm.