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Old 06-25-2010, 09:33 AM
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bluebee bluebee is offline
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Location: San Jose, California
Join Date: Mar 2008
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Mein Auto: 02 BMW 525i M54 auto 130K
Originally Posted by cn90 View Post
Note drain bolt washer orientation
When I first saw this picture (see above), I couldn't tell (from the picture) what the drain bolt washer orientation was supposed to be.

But, at the time, I had bigger problems, so I let it ride.

Today, to help out in another drain plug thread, I dug up the picture below, and realized the copper washer has a slight bevel on it that I hadn't noticed before.

Which way does the Mann copper washer go onto the oil drain bolt?
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