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      01-07-2021, 10:26 PM   #12
Second Lieutenant

Drives: 2007 335i e90
Join Date: Mar 2020
Location: South Florida

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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.
Ok glad you found it, I'll keep that in mind if I ever change my radiator. I'm currently dealing with a leak on my water pump, not sure if it's cracked or a hose is loose, I swear if it's not one thing it's the other lol
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