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BMW Engine Parts for BMW E90 M3 S65 4.0L

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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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Primer Loctite 770

T#:56724745

Part#: 83195B683D4

Ships in 2 Business Days

3% off MSRP $ 35.99

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

$ 34.99 USD

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3% off MSRP

$ 35.99

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

$ 34.99 USD

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Proper surface preparation is vital when securing engine seals, oil pan gaskets, or plastic components on your BMW. Genuine BMW sourced Loctite 770 Surface Primer, designed to treat low-energy plastic and rubber elastomeric surfaces before applying bonding agents. Using this factory recommended primer ensures engine seals stay firmly positioned during assembly and holds up under rigorous engine bay heat and vibrations.

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Engine Valve Cover Gasket

2X Entries Into Our F80 M3 Sweepstakes

T#:54852024

Part#: B46.360

In Stock

$ 48.99

This product was last offered at the strikethrough price on
10-07-2026

$ 41.99 USD

Limited Qty Sale

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$ 48.99

This product was last offered at the strikethrough price on
10-07-2026

$ 41.99 USD

Limited Qty Sale

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Keep your B46 engine running at peak efficiency and free of messy oil leaks with this premium replacement valve cover gasket from Elring.

Active Autowerke Rotrex Traction Fluid - 1 Liter

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 ...

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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Oil Pump Sealing Kit

T#:55245790

Part#: 114X783KT

Ships in 1 day

$ 24.69

This product was last offered at the strikethrough price on
07-06-2026

$ 24.33 USD

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$ 24.33 USD

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This Genuine BMW Oil Pump Sealing Kit bundles the two critical seals that keep your S65 V8 properly lubricated under hard street driving and heavy track use.

Oil Pump Sealing Kit

T#:55245830

Part#: 11417838XKT

Ships in 1 day

$ 24.69

This product was last offered at the strikethrough price on
07-06-2026

$ 24.33 USD

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$ 24.33 USD

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This Genuine BMW oil pump sealing kit replaces the vulnerable, aged seals that prevent air from entering your oil system.

Genuine BMW Camshaft Position Sensor Connector Repair Kit

T#:58052445

Part#: 12527507526KT2

Ships in 1 day

$ 25.18 USD

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$ 25.18 USD

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Hardware & Seal Replacement Kit

T#:55245848

Part#: 171X996KT

Ships in 1 day

$ 22.39 USD

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$ 22.39 USD

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Turner Motorsport is proud to offer this complete, factory-correct hardware and seal replacement kit compiled directly from Genuine BMW components.

Hardware Kit - M8x45 (2) & M8x14 (2)

T#:55209930

Part#: 0711990KT

Ships in 1 day

$ 10.79 USD

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$ 10.79 USD

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This Genuine BMW Fastener Kit is the definitive solution for replacing worn or single-use factory hardware with fresh, original-equipment replacements.

Shifter Rebuild Hardware Kit

T#:55209882

Part#: 07119905KT

Ships in 1-3 days

$ 4.80 USD

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$ 4.80 USD

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Genuine BMW Air Conditioning Drive Belt - S65 4.0L

For vehicles with production date up to 04/2008

T#:54637809

Part#: 11285B98AA1

Ships in 2 Business Days

12% off MSRP $ 64.99

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

$ 56.99 USD

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12% off MSRP

$ 64.99

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

$ 56.99 USD

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This belt delivers the exact friction coefficient and tensile strength required by BMW's engineering team, preventing slippage and ensuring your AC compressor gets smooth, uninterrupted power transfer.

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Wire Pinning Kit - MLK 1.2 Female Jack

T#:55281746

Part#: 125275WRKT

Ships in 5 Business Days

$ 37.40 USD

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$ 37.40 USD

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This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.

Engine Oil Drain Plug

2X Entries Into Our F80 M3 Sweepstakes

T#:54317188

Part#: 455.740

Ships in 7 Business Days

$ 8.99 USD

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$ 8.99 USD

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This engine oil drain plug is engineered to original specifications, delivering the perfect thread pitch and sealing performance.

Engine Conversion Gasket Set

2X Entries Into Our F80 M3 Sweepstakes

T#:54744772

Part#: 11117511529

Special Order: No Guaranteed ETA

$ 144.99 USD

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$ 144.99 USD

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This Elring Crankcase Gasket Set delivers track-ready reliability for your street or club racing BMW.

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