Quote:
Originally Posted by cbwolf
Hi guys,
Looking for some help in identifying a strange noise my car has developed during hot idle.
It seems to be coming from the rear of the engine and in the video below you can see one of the hoses moving in what i consider a suspicious way.
It's a 2008 xDrive30D - any help would be appreciated.
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It feels like cabin heat control valve.There is a electric water pump that circulates water for the cabin heating and there is a valve which opens and closes to maintain user programmed temperature.
Try to shut shown the cabin fan or try to turn the temperature down to minimum and see if that noise still persists.