URO Harmonic Balancers & Crank Pulleys for BMW 3 Series E93 (2007-2013)

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The harmonic balancer mitigates vibration and shock loads along the crankshaft. By doing this, the engine lasts longer and failures are prevented. Turner Motorsport carries BMW and high quality aftermarket options if yours has failed or become damaged.
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Crankshaft Pulley With Vibration Damper
Crankshaft Pulley With Vibration Damper
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T#:593668
Part#: 11237564969
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$ 234.99 USD
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$ 234.99 USD
Free Shipping
Add to Wish List
Every time the cylinders fire, torque is transferred into the crankshaft. The crankshaft deflects under this torque, which sets up vibrations when the torque is released. At certain engine speeds the torque imparted by the cylinders are in synch with the vibrations in the crankshaft, which results in a phenomenon called resonance This resonance causes stress beyond what the crankshaft can withstand, resulting in crankshaft failure. The accessory pulley acts as a balancer and prevents these vibrations from destroying your crankshaft.
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