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Oil Separation & Breather System

Oil Separation & Breather System

Every car has a crankcase vent system that is supposed to suppress oil from making it into the intake ports and combustion chamber. A good functioning system will separate oil from the atmosphere and return it to the oil pan (or collect it in a catch can) while allowing the leftover vapors to burn in the combustion chamber or recirculate through the system. This has always been known as a PCV system (Positive Crankcase Ventilation) but BMW has several other names for it - oil separator, crankcase vent (CCV), and cyclonic separator. Failures in the system will allow raw oil to enter the intake and eventually into the engine itself which can have disastrous effects on engine performance and longevity. As emissions regulations on oil and gas venting have gotten more stringent the PCV systems have gotten more complex and failure prone. And because the CCV is intertwined with other systems you could experience rough running, loss of power, higher oil consumption, misfiring, stalling, or other annoying issues. There is no replacement interval for these so we recommend inspecting your crankcase vent system as part of your regular maintenance routines. Symptoms of a bad crankcase vent are: whitish or yellowish film on the underside of the oil cap, whistling/squealing noises (not caused by a belt), suction on the oil cap that makes it hard to unscrew, large amounts of white smoke from the exhaust, and excessive oil consumption.

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CCV/PCV Breather Hoses (2)

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Elring Crank Case Vent Valve Gasket - M60 M62

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:362757

Part#: 11611729728

In Stock

$ 7.13

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

$ 6.11 USD

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$ 6.11 USD

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This gasket seals the PCV valve to the valve cover. If this leaks, you maybe experience poor running conditions or check engine lights. Replace your leaking seal with a new Elring gasket to ensure long lasting reliability.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW engines:
M60 3.0L 4.0L
M62 4.4L

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Profile-gasket 11611729728

T#:18889

Part#: 11611729728

In Stock

$ 4.99

This product was last offered at the strikethrough price on
04-06-2026

$ 4.07 USD

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$ 4.07 USD

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PROFILE-GASKET 11611729728 Manufactured by Reinz

Victor Reinz O-Ring - E32, E34, E38, E39

T#:592731

Part#: 07119906360

In Stock

$ 3.99

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

$ 2.99 USD

Limited Qty Sale

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$ 3.99

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

$ 2.99 USD

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If this gasket fails it can cause oil leaks and other issues. Replace it at any sign of failure!

Vaico Oil Separator Valve - E38, E39

We Price Match - Give Us A Call or Chat!

T#:363292

Part#: 11151705272

In Stock

Sale - Save 25% $ 31.99

This product was last offered at the strikethrough price on
05-02-2026

$ 23.87 USD

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Sale - Save 25%

$ 31.99

This product was last offered at the strikethrough price on
05-02-2026

$ 23.87 USD

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Connects to the vent tube which is attached to the PCV valve

Victor Reinz Oil Separator O-Ring - E31, E32, E34, E38, E39 ...

T#:19104

Part#: 11151747978

Ships in 2 Business Days

$ 5.69

This product was last offered at the strikethrough price on
06-05-2026

$ 5.68 USD

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$ 5.68 USD

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O-RING 11151747978 Manufactured by Reinz

Kayser Oil Separator O-Ring - E31, E32, E34, E38, E39

T#:1195920

Part#: 11151747978

Ships in 1-2 days

$ 5.99

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

$ 4.99 USD

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$ 4.99 USD

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Seals the vent pipe to the oil separator

Vaico Vacuum Pipe - BMW F22/23 F3X F07/10 F25/26 N20 N26 2.0L ...

T#:41492596

Part#: 11157603816

Special Order: No Guaranteed ETA

$ 28.99 USD

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$ 28.99 USD

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Eliminate vacuum leaks with this replacement vacuum pipe for your N20 / N26 powered BMW - Connects to the front passenger side of the N20 engine block

Suction Jet Pump W/ Lines

T#:637518

Part#: 11667550007

Special Order: No Guaranteed ETA

$ 52.99 USD

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$ 52.99 USD

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Oil Separation & Breather System
- CCV/PCV Breather Hoses (2)

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