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Mubea for BMW 3 Series F30 (2012+)

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Accessory Belt Tensioner Assembly

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:594655

Part#: 11287810807

In Stock

$ 148.20 USD

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$ 148.20 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.

Mubea Mechanical Accessory Belt Tensioner - BMW B46/48 B58

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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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