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      11-26-2012, 01:03 PM   #4
ctuna
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Drives: 325xi 06 wagon MT
Join Date: Jan 2010
Location: Santa Cruz, Ca

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Also could be broken valve cover or head bolts

Also could be broken valve cover or head bolts which are also a common mode failure.
Do a search for Head Bolts and a lot of threads will pop up.

http://www.e90post.com/forums/showth...aluminum+bolts

Last edited by ctuna; 11-26-2012 at 01:09 PM.