BMW 1 serie E87 - 2004 - 2007 135i 306hp ECU Remapping
A professional ECU remap can optimise the way your BMW 1 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 306 BHP to 370 BHP, with torque improving from 400 Nm to 500 Nm.