E3 Performance

////4 serie GC

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BMW 4 serie GC 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 4 serie GC.

Select your BMW 4 serie GC generation:


Contact us if you can't find the generation of your car in our application list. If it's a recent generation, the E3 Performance tuning box might be in development.