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      07-12-2019, 11:05 AM   #10
DrivingPassion
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Drives: '15 M235xi
Join Date: Nov 2006
Location: WA

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Quote:
Originally Posted by jmwilson125 View Post
Maybe I'm thinking of something else, but don't you replace it with every oil filter install?

The large black oring around the bottom of the oil filter housing?

So far every oil filter that I've bought comes with a small green o ring and a large black one for the filter housing. I've replace both every oil change?
No, you're talking about the external gasket.
The one we are talking about is the internal gasket where the oil filter housing interfaces with the engine.

https://www.ecstuning.com/b-genuine-...428637821~oeb/
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