The rotational power of the crankshaft is transmitted to other engine accessories through a belt.
It is used to absorb and counteract the periodic torsional vibration generated during the rotation of the crankshaft, protecting the engine and related accessories.
It ensures the smooth operation of the engine at high speeds and reduces vibration.
As the power distribution center of the engine, it is the starting point of the vehicle's accessory drive system.
It is usually a circular disc structure with several annular grooves on its surface.
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11238512072 11237823191 Engine Crankshaft Pulley Compatible For BMW Compatible For BMW 12 3 4 5 Series F10 F20 F21 F22 F87 F32 F30F31 E84 E90 X1 X3
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