Over time, heat, mileage, and constant tension take their toll on your BMW's drive belt system. But it's rarely just the belt that fails. Worn tensioner bearings and binding idler pulleys are the usual suspects behind thrown belts and sudden power loss.
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Constant RPM changes take a massive toll on your engine's accessory drive components. The bearings dry out, the internal springs weaken, and failure becomes a matter of when, not if.
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Ensure your engine overhaul or timing assembly is completed to the highest standards with this Genuine BMW Crankshaft Pulley Bolt and Assembly Hook Kit.
Restore the smooth, reliable operation of your accessory drive with this OEM-quality replacement drive belt tensioner from Febi Bilstein.
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Pulleys drive accessories essential to vehicle operation. Whether you need to install a stock original equipment pulley during a repair, or improve engine performance and appearance with a lightweight aluminum or underdrive pulley, count on ECS Tuning for pulley solutions that work.
Lifetime Replacement
