BMW 3 serie ( F3x - 2011 - 2015 ) Tuning Boxes
The E3 Performance Tuning Box is unique: it's the only tuning box with overheating protection. Therefore the E3 Performance box is the safest way to improve the power and torque of your BMW 3 serie.
Select your BMW 3 serie engine:
Contact us if you can't find the engine of your car in our application list. If it's a recent engine, the E3 Performance tuning box might be in development.