E46Fanatics - View Single Post - Engine knocking sounds... Please help!
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Old 05-27-2012, 11:41 PM   #7
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Join Date: Mar 2012
Location: Fort Myers, FL
Posts: 388
My Ride: BMW 325i 2002
Originally Posted by jasonbimmer View Post
its back firing inside the intake manifold.
mostly either CCV or intake boot.
Excuse my noob question... but what is CCV and where can I find it?
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