Rein CCV Oil Separator System for BMW 3 Series E91 (2006-2012)

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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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Oil Separator Valve
Oil Separator Valve
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T#:594299
Part#: 11617531423
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Sale - Save 5% $ 120.81

This product was last offered at the strikethrough price on
06-29-2026

$ 114.77 USD
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Sale - Save 5%
$ 120.81

This product was last offered at the strikethrough price on
06-29-2026

$ 114.77 USD
Free Shipping
Add to Wish List
The oil separator can be replaced on its own but for a complete service we also recommend replacing the oil separator hoses and cleaning the valve cover. Any valve cover or intake manifold work should include a new oil separator valve.
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