finding a fault on my car

Asked by Guru94XW1D Sep 11, 2020 at 01:06 PM about the 2000 BMW 3 Series 323Ci Coupe RWD

Question type: General

I get a howling type noise when engine is hot and lasts about 30 secs then
stops

2 Answers
40,240

TDolby answered 3 years ago

I would look into the crankcase valve as the culprit, otherwise know as the CCV system. It comprises of many hoses. If yours was never replaced, I would looking into a kit and replace all the parts. Search online BMW E46 DIY CCV

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