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Old 03-22-2006, 06:04 PM
X5ive's Avatar
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Join Date: Dec 2005
Location: Fort Lauderdale, FL
Posts: 254
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X5 is still whistling!

EDIT: traded in my 3.0i for 4.8is. Problem fixed


Below is the original post I started regarding a whistling sound my X5 makes when driving at low rpm's and pressing on the accelerator.
It's similar to the whine of a supercharger, but annoying.
http://www.xoutpost.com/x5-e53-forum/...stling-x5.html

Based on the feedback from fellow members, the dealer tried the following...
1) Replaced DISA valve - no change, replaced w/original part.
2) Replaced Idle Air Actuator - no change, replaced w/ original part
3) Replaced the throttle body - minimal change if any, kept new throttle body
4) Checked air filter box for any leaks - none found

Service manager claims the whistling is due to the vehicles age.
2003 X5 w/ 48K
He and the tech drove a newer X5 and whistling was not there. Then they drove a '03 w/similar mileage and whistling was detected.
Three of my co-workers also drive X5's. Two do not have the whistle and one does.
Does anyone have another idea?
__________________
2005 X5 4.8is
Sapphire Black l Black Nappa Leather l Titanium Trim
BMWCCA #379404
http://www.bmwccaeverglades.com/

Last edited by X5ive; 05-13-2007 at 12:09 PM.
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