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BMW Engine Parts for BMW 3 Series F34 (2014+)

Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.

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Spark Plugs - Set Of Six

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

T#:14982199

Part#: 121200405516KT

Back Ordered

$ 95.99 USD

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$ 95.99 USD

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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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