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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

Ships in 1 Business Day

$ 29.00 USD

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$ 29.00 USD

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Red B58 BMW Coil Upgrade Adapter Kit - N55

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#:57086690

Part#: BMSN55CUAK-R

Ships on Nov 11, 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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ARP Crank Pulley Bolt Kit - B58

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T#:54104145

Part#: 201-2501

Ships on Nov 12, 2026

8% off MSRP $ 65.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 60.99 USD

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8% off MSRP

$ 65.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 60.99 USD

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Secure your timing, protect your investment, and push your B58 to the limit with the reliability of ARP.

ARP V8 Rod Bolt Kit - S62 - E39, E52

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#:54139642

Part#: 201-6307

In Stock

20% off MSRP $ 190.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 152.99 USD

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20% off MSRP

$ 190.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 152.99 USD

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The ARP kit utilizes premium material and exacting tolerances to drastically increase the reliability of the S62 rod cap joint. By maintaining strict clamping continuity, oil clearance remains consistent, protecting your crankshaft and rod journals on the track.

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Active Autowerke Rotrex Traction Fluid - 1 Liter

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#:57616348

Part#: RTF-1L

Ships in 3 Business Days

7% off MSRP $ 140.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 130.00 USD

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7% off MSRP

$ 140.00

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 130.00 USD

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Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml).

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Active Autowerke Supercharger Kit Gen 2 Level 4 - E9X M3 S65 4.0L ...

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T#:57616347

Part#: 12-032-C38

Ships in 10 Business Days

$ 23,749.00 USD

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$ 23,749.00 USD

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The Active Autowerke Supercharger System is powered by a Rotrex C38-92R Supercharger Unit mounted with a custom CNCed bracket that uses a dedicated drive belt system, while eight high flow fuel injectors are used to supply the additional required fuel. Active Autowerke's Performance Software, available for 91-93 octane, race gas, and octane levels unique to other countries, is carefully calibrated, and is at the heart of the system to provide an unparalleled driving experience. Keeping within the factory's OBDII parameters, the Active Autowerke Supercharger System ensures consistency for everyday driving. The Level 4 system includes a water/methanol injection system with upgraded pulley and custom software.

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ARP M3 M11-1.25 X 1.600 Rod Bolt Kit - E30 - S14

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#:54139646

Part#: 301-6032

Ships on Nov 11, 2026

18% off MSRP $ 21.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 17.99 USD

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18% off MSRP

$ 21.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 17.99 USD

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the BMW S14 engine factory rod bolts are a notorious weak link when pushing past the original redline. Inertial forces at high RPM place immense tensile stress on the connecting rods, making heavy-duty hardware an absolute necessity.

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M9 X 1.25 BMW 328 E46 Rod Bolt Kit

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T#:54139644

Part#: 301-6022

Ships on Nov 11, 2026

20% off MSRP $ 19.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 15.99 USD

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20% off MSRP

$ 19.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 15.99 USD

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Engineered from proprietary ARP2000® alloy, these M9 x 1.25 fasteners provide the massive clamping force needed to keep the rod journals perfectly round and seated, even when bouncing off the rev limiter lap after lap.

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