420i (163 HP/ 120 kW)

We developed RaceChip XLR5 to increase responsiveness on the road. Our innovative throttle tuning system lets tune your engines reactions to your taste choose from 7 separate stages. You will love your cars improved dynamics we promise.Your engines...

Torque Increase (NM):79Economy Gain (MPG):20Power Gain (PS):47Performance UpgradeMore power, greater torque, superb mid-range punch, stronger acceleration and quicker responses: you’ll love the new characteristics RaceChip chip tuning will give...

Torque Increase (NM):79Economy Gain (MPG):20Power Gain (PS):47Performance UpgradeMore power, greater torque, superb mid-range punch, stronger acceleration and quicker responses: you’ll love the new characteristics RaceChip chip tuning will give...

Torque Increase (NM):53Economy Gain (MPG):15Power Gain (PS):31RaceChip S Tuning BoxUp to 20% more power and torqueUp to 10% fuel savings5 fine tuning mappingsEasy installation in 10 minutes including installation instructionsTuning perfectly tailored to...

We developed RaceChip XLR5 to increase responsiveness on the road. Our innovative throttle tuning system lets tune your engines reactions to your taste choose from 7 separate stages. You will love your cars improved dynamics we promise.Your engines...

The optional controller allows complete control of the RaceChip XLR5 directly on the dashboard. Thanks to the Bluetooth connection to the XLR5, the controller is wireless and can be easily placed within the driver's reach. Additionally, the integrated...

Torque Increase (NM):66Economy Gain (MPG):20Power Gain (PS):39RaceChip RS Tuning Box - Bluetooth Version with App ControlThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning,...

Torque Increase (NM):66Economy Gain (MPG):20Power Gain (PS):39RaceChip RS Tuning Box - Non Bluetooth VersionThe bestseller of the RaceChip tuning boxes. Completely newly developed optimisation software with engine-specific tuning, high-quality hardware...