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Old 12-15-2011, 02:15 PM   #5
1st Gear Newbie
Join Date: Oct 2011
Location: Vaughan
Posts: 49
How can I check if it is the chain tensioner guides? Do I need to remove the valve cover for that too?

The car passed the gt1 vanos test done at a BMW dealer during the ppi I got about a month ago, but I'm not sure if that can detect loose cam gear bolts...correct me if I'm wrong.
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