Corteco Oil System Gaskets for BMW Z Series E85/6 (2003-2008)

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Keeping the oil system properly sealed in imperative to ensuring a long healthy life for your engine. Replacing these vital oil seals ensures that your engine is properly lubricated at all times. Turner Motorsport carries all of the o rings you will need from Genuine BMW and aftermarket suppliers.

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Corteco Rear Crankshaft Seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:591494
Part#: 11117587168
In Stock
$ 23.99 USD
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$ 23.99 USD
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90x110x8mm Replace your leaking crankshaft seal
M5X / S5X Oil Pan Gasket - 11131437237
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:37048680
Part#: 11131437237
In Stock at Vendor
$ 31.99

This product was last offered at the strikethrough price on
05-07-2026

$ 30.99 USD
Free Shipping on orders $49 and up
$ 30.99 USD
Free Shipping on orders $49 and up

Is your BMW showing signs of an oil leak? One of the most common causes is a failing oil pan gasket, a vital component that prevents oil loss and keeps your engine running smoothly. Over time, the gasket—typically made from metal with a durable rubber sealing bead—can wear out due to heat cycles, pressure fluctuations, and general aging. When the rubber bead deteriorates, it compromises the seal and results in leaks.

Ignoring an oil pan gasket leak can lead to more significant issues, such as low oil levels, reduced engine efficiency, and even serious engine damage. Addressing this problem early is crucial to maintaining your vehicle's performance and longevity.

For a reliable solution, choose Corteco. Known for their precision engineering and OE-grade materials, Corteco gaskets are crafted to deliver a perfect fit and exceptional durability. Trust Corteco to provide a high-quality replacement that ensures your BMW stays leak-free and running at its best.

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Crankshaft Seal - Front
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:594913
Part#: 11117547842
Ships in 2 Business Days
$ 21.99 USD
Free Shipping on orders $49 and up
$ 21.99 USD
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This seal needs to be replaced whenever a leak occurs, or whenever doing a timing chain service.

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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Valve Cover Gasket Set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Corteco - Corporate Logo
T#:596682
Part#: 11120030496
Back Ordered
$ 23.99 USD
Free Shipping on orders $49 and up
$ 23.99 USD
Free Shipping on orders $49 and up
Keeping the oil inside your engine is extremely important to performance. Between oil change intervals, your oil can dip to dangerous levels if there is a leak you may not be aware of. The valve cover is an extremely common place for this to happen. Years of exposure to extreme temperature change degrades the gaskets and causes failure. Replace yours to keep your engine oil in your vehicle.
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