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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > E92 330i whining CCV



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      01-11-2017, 05:17 AM   #1
SoupAnxiety
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E92 330i whining CCV

Hi all,

I've got an annoying whine from my CCV, it's been diagnosed as such (with the possibility of it being another breather, but probably the CCV). The advice I have been given is that it will need attention someday but given that the CCV is part of the head on the N53 (!) wait for it to develop into something more serious. The whine is there on acceleration and at certain speeds (30 MPH is a favourite). It's annoying more than anything else.

Do you have any suggestions for a "cleansing" type fix, without taking the head off? I have an oil flush at every oil change and I'm hoping this might fix the issue. I think I'm asking for the impossible but if there's a 10 additive which might circulate to the right area I'd give it a go.

Thanks!
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      01-11-2017, 07:06 AM   #2
wallsmk2
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I don't know for sure, but the ccv is built into the rocker cover on the n53 not the head. I couldn't see this being a massive job but no idea on the part cost
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      01-11-2017, 08:41 AM   #3
Dormermike
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Does it stop if you lift the oil filler cap, assuming you can hear it at idle?
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