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Old 11-30-2012, 08:46 PM   #15
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Join Date: Sep 2012
Location: Louisville, KY
Posts: 3,277
My Ride: 2004 325Ci vert
Originally Posted by Nerdy46 View Post
Almost sounds like an exhaust leak.
I agree. It sounds more like "puff" than a knock. Could be exhaust or emission controls system. It will take time and patience to find.

Despite the fact that you put oil that no fanatic would endorse in your engine, I doubt that oil would cause something to happen this soon after an oil change. If it is a knock, it's been a long time developing.
“The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed.”

Originally Posted by Mike Miller
I just don't know what I'd do with 560 hp that doesn't involve getting arrested.
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