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Belt Tensioners

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.

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Accessory Belt Tensioner Assembly

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T#:594655

Part#: 11287810807

In Stock at Vendor

$ 148.53 USD

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$ 148.53 USD

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If the accessory belt is sloppy and loose in your vehicle, your generator, and AC might not work properly. Alternatively, if your belt snaps constantly, the tensioner is too tight.

DriveAlign Idler Pulleys

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T#:403744

Part#: 11287515865

Back Ordered

$ 102.99

This product was last offered at the strikethrough price on
05-07-2026

$ 100.99 USD

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$ 100.99 USD

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Accessory Belt Tensioner

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T#:31622553

Part#: 11288479475

Ships in 1-2 days

$ 101.99

This product was last offered at the strikethrough price on
05-07-2026

$ 98.99 USD

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$ 98.99 USD

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Mubea Mechanical Belt Tensioner - E70

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T#:1195871

Part#: 11287799851

In Stock

$ 123.99

This product was last offered at the strikethrough price on
03-24-2026

$ 88.99 USD

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$ 88.99 USD

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Original equipment German-made tensioner for alternator, A/C and power steering system

Mubea Mechanical Accessory Belt Tensioner - BMW B46/48 B58

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T#:26971839

Part#: 11288580360

In Stock at Vendor

$ 177.99

This product was last offered at the strikethrough price on
05-07-2026

$ 172.99 USD

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$ 172.99 USD

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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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