BMW Engine Parts

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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Blue Thermostat Caps (pair)

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:54139632

Part#: BMS-TCP-BLU

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$ 29.00 USD

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$ 29.00 USD

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Red B58 BMW Coil Upgrade Adapter Kit - N55

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T#:57086690

Part#: BMSN55CUAK-R

Ships on Nov 13, 2026

$ 199.00 USD

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$ 199.00 USD

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Upgrade your N55 ignition system with the N55 → B58 Coil Upgrade Adapter Kit, engineered for a seamless, plug-and-play conversion. This kit lets you run modern B58-style pencil coils on your N55 without modifying the factory harness or compromising valve cover integrity.

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Rod Bearing Set - Standard (48.00 Mm)

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T#:55821723

Part#: 11241715701

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$ 164.99 USD

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$ 164.99 USD

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Intensity Lithium-ION Battery - i34RX - 11.5lbs

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:54388454

Part#: I34RX

Ships on Nov 13, 2026

$ 949.99 USD

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$ 949.99 USD

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Whether you're building a dedicated track weapon or upgrading your street machine for ultimate reliability, unsprung and upper-chassis weight is the enemy of performance. Positioned high up in the engine bay or rear corners, a heavy factory battery negatively impacts your car's center of gravity.

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