Genuine OEM BMW Vibration Damper, part number 11238588866. This component is designed to reduce torsional vibrations within the crankshaft assembly. It is located at the front of the engine, attached to the crankshaft. The vibration damper weighs 4.4 kg and has dimensions of 0.2325m x 0.17m x 0.0955m. Genuine OEM vibration dampers are critical for maintaining precise engine timing and reducing stress on the crankshaft, ensuring a longer engine life and smoother operation.