Alpina B4 All B4 Bi-Turbo 410hp ECU Remapping
A professional ECU remap can optimise the way your Alpina B4 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 410 BHP to 450 BHP, with torque improving from 600 Nm to 680 Nm.