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      09-23-2012, 11:00 AM   #2
cn555ic's Avatar

Drives: 335i
Join Date: Jun 2007
Location: US

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Dzenno went Through similar issues and found out it was this: hope this is not your case but look at the other forums to find his post on it

Camshaft rectangrings and cam bearing ledges were broken/worn.

It can possibly be another issue as you stated it did this also in stock. Dzenno issue happens at high rpm which boost is greater than 13psi.

Last edited by cn555ic; 09-23-2012 at 11:13 AM.