Bimmerfest - BMW Forums - View Single Post - Is that a catch can? Yes it is. Goodbye CCV
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Old 03-05-2012, 07:08 AM
poolman poolman is offline
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Location: martinsville va
Join Date: Nov 2005
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Mein Auto: 525i station wagon
My way of thinking on this is, the added vacuum into the crankcase helps seal the piston rings, makeing the engine have less blowby gases entering the combustion chamber
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