Emissions System for BMW 7 Series E38 (1995-2001)

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Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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Oil Separator Valve

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T#:597181

Part#: 11151705272

In Stock

$ 48.59

This product was last offered at the strikethrough price on
05-29-2026

$ 43.40 USD

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$ 43.40 USD

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Oil Separator Valve

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T#:22064588

Part#: AS819M

In Stock

$ 41.99

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

$ 31.99 USD

Limited Qty Sale

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Qty

$ 41.99

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

$ 31.99 USD

Limited Qty Sale

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.

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