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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > 335i Noise



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      09-09-2019, 03:27 PM   #1
snaeem155
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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
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      10-14-2019, 06:51 AM   #2
buddyboy
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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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