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Old 01-31-2013, 01:45 PM   #36
nicoled985
Registered User
 
Join Date: May 2012
Location: California
Posts: 35
My Ride: BMW 325i 2003
Quote:
Originally Posted by WDE46 View Post
I thought that a whistle is usually made by a torn intake boot. It varies with RPM (airflow).
I believe you are right! I have a torn intake boot and I get the whistle and I also have the same problem as the threadstarter. Cool air when stationary and hot air when moving. I just had my water pump replaced with a metal one about lesd than a year ago! Im gonna replace my intake boot within the next week. I included a pic down below. Sorry if you guys get offended by the dusty engine. I definitely want to clean it but im new to this!


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Last edited by nicoled985; 01-31-2013 at 01:46 PM.
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