Sidem 21877 Oscillating arm, wheel suspension Assembly: Rear side Assembly: Post axal side. bilateral Assembly: Superior Conical codolo step: / Conical caliber [mm]: 16.2 Type oscillating arm: oscillating longitudinal arm Threading dimensions 1: mm14x1.5r Frame material: aluminum Original codes OE/OEM BMW: 33 32 6 775 902 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.