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CCV Oil Separator System

CCV Oil Separator System for BMW 3 Series E36 (1992-1998)

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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Bav Auto Crankcase Pressure Regulator Valve - E36 E39 Z3

10X Entries Into Our F80 M3 Sweepstakes

T#:638090

Part#: 11151703484

In Stock

Sale - Save 20% $ 38.99

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

$ 31.19 USD

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Sale - Save 20%

$ 38.99

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

$ 31.19 USD

Add to Wish List

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. Crankcase breather valve used to purge the oil vapor from the engine block into the valve cover. This valve has 4 hoses connected to it, running to dipstick, valve cover, air intake. You should also look into replacing your valve cover gasket when changing the separator.

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