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BMW 3-Series (E90 E92) Forum
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335i Noise
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09-09-2019, 03:27 PM | #1 |
Private
3
Rep 94
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335i Noise
I posted about a noise a few days back and it's gotten worse (car is with BMW now).
It's a constant woosh now coming from the right hand side of the engine bay. BMW said they can't find anything wrong (no cel codes) and it's fine. The car has lost a lot of power and it's embarrassing to drive around with what sounds like a Dyson underneath the bonnet. Any idea what it is ? Video below. https://youtu.be/rGzjTQM3zIU |
10-14-2019, 06:51 AM | #2 |
First Lieutenant
265
Rep 331
Posts |
That sounds like a hole or crack in the charge pipe maybe or a seal gone on the manifold or throttle body maybe. I would disconnect the diverter valves and remove the charge pipe and inspect that area for cracks or leaks
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