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BMW Gaskets, Gasket Sets, Seals, & O-Rings for BMW E30 M3 S14 2.3L

Gaskets are key to a properly running and clean engine. They obviously prevent fluid leaks but they're also critical in keeping air either in or out... Air leaks after the air flow meter, also known as vaccum leaks, can induce lean running conditions, fault codes, and poor running conditions. Other seals and gaskets are designed to keep air in. With the sensitivity of OBD systems, leaks will lead to fault codes very quickly which can be tough to diagnose and prevent you from passing state inspections.

We insist on Original BMW or OEM gaskets whenever possible.

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E30 M3 Throttle-Body Gasket Repair Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:4197

Part#: TEN3060TBG

Ships on Oct 2, 2026

Sale - Save 20% $ 65.99

This product was last offered at the strikethrough price on
06-13-2026

$ 52.79 USD

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Sale - Save 20%

$ 65.99

This product was last offered at the strikethrough price on
06-13-2026

$ 52.79 USD

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This kit has been engineered to address the intake air leaks commonly found on the E30 M3 manifold gaskets. A problem that has plagued E30 M3 owners for years. Parts list for kit: 2 Intake gaskets for cylinder head side, 2 intake gaskets for throttle-body side, and 28 Lock washers.

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Rear Crankshaft Seal

T#:594912

Part#: 11141706785

In Stock

$ 42.99

This product was last offered at the strikethrough price on
06-08-2026

$ 19.99 USD

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$ 19.99 USD

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The rear main oil seal or crankshaft seals is one of the most difficult to replace. However, they often fail, and when they do, your car will be marking it's territory with little oil drops wherever you park. Apart from making a mess, it can also cause oil to come in contact with the clutch surface. Replace yours and keep your oil in your engine.

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Rubber O-Ring - Bremmen Parts

10X Entries Into Our F80 M3 Sweepstakes

T#:22525960

Part#: 11531435808

In Stock

Sale - Save 20% $ 2.03

This product was last offered at the strikethrough price on
05-03-2026

$ 1.62 USD

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$ 2.03

This product was last offered at the strikethrough price on
05-03-2026

$ 1.62 USD

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Useful for fixing leaks on air conditioning, fuel, and vacuum systems. Measures 20x3.

1.5mm X 51mm Metric Buna-N 70 O-ring

10X Entries Into Our F80 M3 Sweepstakes

T#:388889

Part#: N1.50X051

In Stock

Sale - Save 25% $ 5.99

This product was last offered at the strikethrough price on
06-13-2026

$ 4.49 USD

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Sale - Save 25%

$ 5.99

This product was last offered at the strikethrough price on
06-13-2026

$ 4.49 USD

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1.5mm X 51mm Metric Buna-N 70 O-ring is the perfect sealing solution for various industrial applications. Made from high-quality Buna-N material, this O-ring provides reliable sealing performance, ensuring leak-free connections. With its metric sizing and 70 durometer hardness, it offers versatility and durability for a wide range of uses.

High-quality Buna-N material
Reliable sealing performance
Metric sizing for versatility
70 durometer hardness for durability

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Corteco Valve Stem Seal - E30 M10 M42 S14, E36 M42 M44

T#:596693

Part#: 11341288544

Ships in 1-2 days

$ 10.99 USD

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$ 10.99 USD

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Failed valve stem seals are a common cause of a smoking tail pipe on startup. Replacement is a good idea if you're already doing any other work on the cylinder head. Located between the valve spring and the valve guide - 8 required

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BMW Gaskets, Gasket Sets, Seals, & O-Rings for BMW E30 M3 S14 2.3L

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E30 M3 Throttle-Body Gasket Repair Kit

Rear Crankshaft Seal

Rubber O-Ring - Bremmen Parts

1.5mm X 51mm Metric Buna-N 70 O-ring

Corteco Valve Stem Seal - E30 M10 M42 S14, E36 M42 M44

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