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      04-20-2022, 02:45 PM   #7
Noir
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Drives: 2006 E90 330i 6MT
Join Date: Aug 2016
Location: San Antonio

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Quote:
Originally Posted by Brian86 View Post
Oh yea. Oil separator/PCV system. Particularly if it started doing it suddenly.

The check valve in the bottom of the drain is stuck open, and the separator/valve cover inlet is probably clogged, and the diaphragm is probably torn.

It's sucking oil into the intake manifold like a straw in a milkshake.

Pro tip. Use a fuel line disconnect tool to remove the drain line from the oil pan. Or a sawz-all.
Sawz-all… Signature checks out :
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