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      11-19-2008, 10:48 PM   #1

Drives: 330CI
Join Date: Nov 2008
Location: Cary, NC

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330CI - High pitch whine with acceleration when cold

Thanks in advance for any advice you might have..

I have a 2001 BMW 330CI.

When the car is cold, and I accelerate, there is a high-pitch whine which coresponds with the speed of the engine... It only happens when it is less than 40 degrees outside, and lasts for about 10 minutes..

Any advice would be appreciated.

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      11-19-2008, 11:03 PM   #2
RWD only.

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Drives: '08 E92 335i
Join Date: Feb 2007
Location: St. Pete, FL

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Is this under heavy or light throttle?
E92 335i: Space Grey|Coral Red|Aluminum Trim

Future Ride: 2015 Mustang GT Premium |Guard|401A|PP|Recaros|6MT
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