Sidem 21576 Oscillating arm, wheel suspension Assembly: Rear side Mounting side: lower Assembly: front axle left Conical codolo step: 1/6 Conical caliber [mm]: 14.7 Type oscillating arm: oscillating longitudinal arm N Equipped article: 21577 Frame material: aluminum Original codes OE/OEM BMW: 31 12 1 092 609 BMW: 31 12 1 092 819 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.