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      07-23-2013, 02:06 PM   #13
Chee_Dog
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Drives: 07 328xi
Join Date: Dec 2012
Location: MN

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Quote:
Originally Posted by GriffBrew View Post
Does it increase when revved?

it sounds consistent with the engine rev, when rev it increase, when idle it is stable. I don't think it's the water pump, don't hear noise from there, it sounds like it is really coming from the header side/head and maybe by the header. I did also notie a rubber burning smell coming from behind the engine, it could be the heat shield burning though. Will get more videos.
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