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      12-01-2019, 11:35 PM   #4
vt100
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Drives: '06 Z4MC, '12 128i
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Quote:
Originally Posted by dbarton62 View Post
The oil filter cap has an o ring that should be replaced every time you change the filter( the filters typically come with a new o ring for the cap and a crush washer for the drain plug )
If that o ring is not seated properly or the torque on the cap is not to spec you will get pressurized oil leaking. Look at both those things I would say.
This!

Then keep monitoring the area around. Next (in order of complexity) suspect would be the oil filter housing gasket. If still leaking - check the valve cover gasket. But oil will be everywhere around if the valve cover is leaking.
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