There is a very odd noise coming from the front end of my 2001 325xi. I have a whining type sound that appears only when i left off the gas and coasting. When I hit the gas the whining decline sound stops and it sounds like a normal car speeding up. I only have 130k on it and it is an automatic. Any ideas on what it can be..?
Transfer case? Water pump? Alternator? Clutch fan coupling? A/C compressor?
When was the last service on any/all of these? Something that moves when the car is running will be the culprit here. Go wiggle the components or put a stethoscope on them while running. Find an enclosed area like a parking garage and roll down all the windows and turn off the radio...
Johnny Murray
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