For F30 and F31 chassis with N20, N26 or B48 engines - not for M Sport adaptive suspension unless specified. These AC Schnitzer springs drop the front ~15 mm and rear ~15-20 mm depending on trim and drivetrain (sDrive vs xDrive, SE vs M Sport).
Stage 1 fast road fit: sharper turn-in, less roll, no harshness - ideal for daily driver + occasional track day
Works with stock dampers; not compatible with factory adaptive suspension (NBT or ID6 cars with Electronic Damper Control)
Fits all F30 saloon and F31 touring variants: 316i, 318d, 320d, 320i, 328i, 330i - including xDrive and M Sport (non-adaptive)
Part number 21 11 0 427 896 - same spec as sold by AC Schnitzer in Germany, no rebranding
Also searched as: F30 lowering springs B48, F31 coil springs N20, BMW 3 Series fast road springs, non-OEM+ lowering kit, track day prep F30
