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Old 12-22-2010, 07:48 PM   #19
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Join Date: Nov 2006
Location: Edmonton, Canada
Posts: 2,230
My Ride: 2003 325xi
All I can add to what vander's post is that when the engine is cold, and the SAP blows Seafoam into the exhaust ports of the engine, that passages will open up and increase the pressure on the lifters. Let the car sit after the 3rd fill and be prepared to repeat the Seafoam treatment over several days until the white smoke carbon burn off lessens.
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