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
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
Could just be the vooling fans kicking in to cool the engine. Normal