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      01-06-2013, 12:35 AM   #5
robc1976's Avatar
Drives: E90 335i
Join Date: Mar 2012
Location: Illinois

Posts: 3,756
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Originally Posted by james008 View Post
Anymore input? How important is replacing the 26 bolts? They are expensive.
I have done 4 and never replaced them but all cars where one when motor with aluminum bolts = easily stretching/snapping a bolt

Here is a tutorial I wrote:

Depending on the miles I would suggest replacing the entire valve cover...I am they are on sale at ECS tuning as of now. If you go this route it comes with the 26 bolts and gasket.
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