Lowering Specs: Lowering or lifting (+..) front (approx.) Lowering or lifting (+..) rear (approx.) 20-30mm 20-25mm This spring kit fits the following vehicles: Article Manufacturer Vehicle Model Year Axle-Load front Axle-Load rear Pro-Kit BMW 4 COUPE (G22, G82) M4, M4 Competition, M4 Competition M xDrive 11.20 - 1165 kg 1270 kg Pro-Kit BMW 4 CABRIOLET (G23, G83) M4 Competition M xDrive 07.21 - 1165 kg 1270 kg Product Vehicle Fitment Notes: Without levelling control.