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CCV Oil Separator System

CCV Oil Separator System for BMW 5 Series E39 (1996-2003)

BMWs oil separator and crankcase ventilation system is excellent at what it does when properly maintained. Always inspect any visible hoses when you are under the hood and follow the manufacturers replacement schedule.

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PCV Valve Seperator

T#:15511828

Part#: 11617533400

In Stock

Sale - Save 1% $ 44.99

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

$ 44.51 USD

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Sale - Save 1%

$ 44.99

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

$ 44.51 USD

Add to Wish List

BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate. Replace all the components of the oil separator system together to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable. Don't forget to order a valve cover gasket to make your separator change easier.

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Crankcase Vent Valve - Rein - BMW E39 M5 E52 Z8

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T#:38229086

Part#: 11151406789

Ships in 3 Business Days

$ 44.99 USD

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Crankcase Vent Valve - Rein - BMW E39 M5 E52 Z8 is a crucial component for maintaining proper crankcase ventilation and preventing harmful oil buildup in the engine. Over time, the vent valve can become clogged with oil, leading to excessive crankcase pressure, poor engine performance, and increased carbon deposits. A failing valve can result in rough idling, misfires, and blue smoke from the exhaust. Replacing the crankcase vent valve at regular intervals ensures optimal engine efficiency and longevity.

Prevents oil-rich vapors from entering the intake system
Reduces the risk of carbon buildup and engine misfires
Direct-fit replacement for BMW E39 M5 and E52 Z8 models
Ensures proper crankcase ventilation for optimal performance
Helps eliminate excessive crankcase pressure and oil leaks
Manufactured to meet or exceed OEM quality standards

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Crankcase Pressure Regulator Valve

For vehicles with production date up to 09/1998

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T#:594300

Part#: 11151703484

In Stock at Vendor

$ 50.99 USD

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$ 50.99 USD

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BMW has an issue with oil separators freezing in cold weather if the engine is not fully warmed up during driving. Common symptoms are a howling noise followed by oil leaks.

Rein Crankcase Breather Valve | BMW E39 E52 S62 5.0L Engine

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T#:38195432

Part#: 11151406788

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$ 34.99 USD

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Rein Crankcase Breather Valve | BMW E39 E52 S62 5.0L Engine is a high-quality replacement designed to address common crankcase ventilation issues in BMW engines. A failing breather valve can lead to excessive oil consumption, vacuum leaks, and even freezing in colder temperatures, causing performance issues and potential engine damage. This direct-fit replacement effectively regulates the removal of oil vapors, preventing system failures and ensuring smooth engine operation. For optimal results, it is recommended to replace all related oil separator components simultaneously.

Prevents oil separator freezing and vacuum leaks in cold weather
Ensures proper crankcase ventilation to avoid excessive oil consumption
Direct-fit replacement for BMW E39 and E52 S62 5.0L engines
Helps maintain optimal engine performance and efficiency
Manufactured to meet or exceed OEM quality standards
Recommended to replace with other oil separator components for long-term reliability

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