Our chiptuning units are available for all the engines listed below.
For your Bmw, Tuning Box has developed bespoke and particularly effective performance chips for the X3 (E83) 2003 - 2011. Click on the engine you’d like to optimize and discover the available products for your vehicle:
Tuning Box Classic : one-channel power box
Tuning Box Evolution : high-end multi-channel ECU tuning system
Tune Pedal : throttle response controller
Tuning Box Fusion : the best performance kit consisting of our TuningBox Evolution and Tune Pedal boxes.
