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BMW 3-Series (E90 E92) Forum
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Need help!!!
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06-08-2017, 12:38 PM | #2 |
Lemonhead
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Drives: 07' E90 335i
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You probably have to change the expansion tank
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06-08-2017, 12:50 PM | #3 |
Captain
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Drives: 2011 335is 6MT
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Not sure I understand you're question. But are you referring to the bleeder screw? If so, did you try to tighten it?
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06-09-2017, 09:16 PM | #5 |
Lemonhead
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Drives: 07' E90 335i
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Try a new bleeder screw, I guess grab one from the dealer; I believe theres a small O-Ring on that screw and it could be hard and brittle, you can even try getting another O-Ring from a parts store and trying to recap it.
If all else fails it's probably the tank itself which is an easy swap. I just did it on my car a couple months ago as I was leaking from the seam right by that screw as well as down the entire front edge of it.
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