Belt tensioner failure is common in several BMWs. If your belt is still in good shape and the only critical component that you need to replace is your drive belt tensioner, we have quality OE aftermarket and Genuine BMW options available for your BMW.
Accessory belt tensioners provide tension to the belt drive system, ensuring the belt is able to properly turn engine accessories without slipping. If your tensioner has failed, replace it with a brand-new unit to ensure proper water pump and alternator functionality.
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Used to tighten the A/C drive belt. The A/C drive belt is tightened by a separate belt tensioner. If you notice yours is worn at your next belt service, replace it with a new part.
