CCV Oil Separator System for BMW Z3 (1996-2002)

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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
Bav Auto Crankcase Pressure Regulator Valve - E36 E39 Z3
For vehicles with production date up to 09/1998
Bavarian Autosport - Corporate Logo
T#:638090
Part#: 11151703484
In Stock
Sale - Save 25% $ 37.99
$ 28.49 USD
Free Shipping on orders $49 and up
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Sale - Save 25% $ 37.99
$ 28.49 USD
Free Shipping on orders $49 and up
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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Bav Auto Crankcase Pressure Regulator Valve - E46 M3, Z3 M Coupe/Roadster S54 3.2L
Bav Auto Crankcase Pressure Regulator Valve - E46 M3, Z3 M Coupe/Road...
Bavarian Autosport - Corporate Logo
T#:640503
Part#: 11157840446
Special Order: No Guaranteed ETA
Sale - Save 15% $ 41.99
$ 35.69 USD
Free Shipping on orders $49 and up
Add to Wish List
Sale - Save 15% $ 41.99
$ 35.69 USD
Free Shipping on orders $49 and up
Add to Wish List
This Bav Auto oil separator helps to remove oil from the air vented from the crankcase via a hose from the valve cover. When the crankcase vent valve fails it can cause excessive oil consumption, engine fault codes, and poor idle. This crankcase vent valve is also known as the Oil separator valve or PCV. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.
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