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Old 09-23-2012, 05:51 AM   #2
tkrotchko
Registered User
 
Join Date: Jul 2004
Location: Maryland
Posts: 127
My Ride: 2002 330i
The DISA valve can make a clattering noise (when mine went bad, it sounded like a valve problem).

The procedure to check takes 5 minutes and requires no tools:
http://forum.e46fanatics.com/showthread.php?t=748124


Quote:
Originally Posted by Bobobo-bo Bo-bobo View Post
I have a rattling noise coming from my engine bay. Im hoping there isn't something wrong with my engine and its something minor. Anyone know what the noise is from? Thanks.
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