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      01-08-2021, 03:41 AM   #13
bluewater328
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Drives: 2011 bluewater 328i LCI sedan
Join Date: Aug 2010
Location: Hawaii

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Quote:
Originally Posted by Jay1101 View Post
It ended up being the short plug installed on the radiator by default, I installed the O-ring from FCP and it still leaked so I checked the drain plug housing piece itself and it was the short one instead of the long. Didn't realize it could be that because on autozone it said it was for auto trans and everything came preinstalled. Should have checked before installing the radiator anyways, oops.
Glad you're sorted.

For others, here's a good thread for explanations.

e90 proper sized drain plug on the passenger side for an automatic?? https://www.e90post.com/forums/showthread.php?t=1097628
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