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Old 05-19-2012, 11:33 AM   #5
Jntm3
Registered User
 
Join Date: Apr 2012
Location: England
Posts: 25
My Ride: E46 m3
Hi , not sure will call the garage to see if they did anything around the exhaust etc, I'm wondering if this could be connected to same engine slight knocking noise, I did read another post on here concerning loose plugs etc and that made a slight knocking noise, if the valve cover gasket gone could that cause a slight knocking noise, my wife mentioned to me that it has been stinking of exhaust fumes for a while, thought that was because it starts in the garage ? , thanks for advice any other comments will be appreciated .
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