Corteco BMW Engine Parts for BMW 3 Series E30 (1984-1991)

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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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Engine Mount - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:594933
Part#: 11811132323
In Stock
$ 43.56

This product was last offered at the strikethrough price on
06-01-2026

$ 25.99 USD
Free Shipping on orders $49 and up
$ 25.99 USD
Free Shipping on orders $49 and up
Excessive driveline vibration is caused by one of a few things, but more than likely, it is the mounts in your vehicle. They keep your engine and transmission secure for more positive shifting and driveline triangulation as well as absorbing vibration. If any of these are occuring in your BMW, it's time to examine your mounts.
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Rear Crankshaft Seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:594912
Part#: 11141706785
In Stock
$ 42.99

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

$ 19.99 USD
Free Shipping on orders $49 and up
$ 19.99 USD
Free Shipping on orders $49 and up
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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Crankshaft Seal - Front
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:594914
Part#: 11141275466
In Stock
$ 16.31

This product was last offered at the strikethrough price on
01-08-2026

$ 15.99 USD
Free Shipping on orders $49 and up
$ 15.99 USD
Free Shipping on orders $49 and up
The front seal or crankshaft seal 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 pulley surfaces. Replace yours and keep your oil in your engine.
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Crankshaft Seal - Front
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:594918
Part#: 11141439570
In Stock at Vendor
$ 24.57

This product was last offered at the strikethrough price on
06-03-2026

$ 24.51 USD
Free Shipping on orders $49 and up
$ 24.51 USD
Free Shipping on orders $49 and up
The front seal or crankshaft seal 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 pulley surfaces. Replace yours and keep your oil in your engine.
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Corteco Valve Stem Seal - E30 M10 M42 S14, E36 M42 M44
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Corteco - Corporate Logo
T#:596693
Part#: 11341288544
Ships in 1-2 days
$ 10.99 USD
Free Shipping on orders $49 and up
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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Oil Drain Plug
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:22789615
Part#: 07119905428
Ships in 3 Business Days
$ 3.99 USD
Free Shipping on orders $49 and up