420i (163 HP/ 120 kW)

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...