Sidem 21575 Oscillating arm, wheel suspension Mounting side: lower Assembly: Front Assembly: Front axle DX Conical codolo step: 1/6 Conical caliber [mm]: 14.5 Type oscillating arm: oscillating longitudinal arm N EQUIPLE ARTICLE: 21574 Frame material: aluminum Original codes OE/OEM BMW: 31 12 1 141 962 Before ordering Note: To avoid problems we recommend identifying your vehicle, communicate us the data via e-amil or by phone, our experts are at your disposal.