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Old 02-15-2021, 09:56 AM
Effduration Effduration is offline
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Join Date: Apr 2019
Location: Boston, MA
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Clogged or frozen CCV could cause this as could too much oil...

If your CCV or valve cover gasket or oil filter housing gasket are age-unknown, I would replace them.

A leak-free M54 engine is a temporary situation.
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