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-   -   2002 330xi Engine Rapping Noise (video) (http://forum.e46fanatics.com/showthread.php?t=891689)

jrice728 12-14-2011 02:58 PM

2002 330xi Engine Rapping Noise (video)
 
Below is a link for some audio I recorded of the noise:

http://www.youtube.com/watch?v=lPIjH...9L1b6360mw9unK

It only happens on a cold start and the frequency increases with RPM. After hitting 2,000 RPM or warming up, it goes away.

After searching online/here I'm thinking it's the hydraulic lifter(s)? Can anyone confirm or tell me how to diagnose this for sure? Any links for parts or a DIY would be helpful!!!


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