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      07-27-2013, 11:01 AM   #45
roadkillrob
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Drives: 08 335i,22 X3M, 2012 C63 Black
Join Date: Jul 2007
Location: Boston

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Yes looks like water cooled heat exchangers, same thing BMW and Audi have been using for years on all the twin turbo V8's - GM doesn't invent anything anymore, they just buy stuff from suppliers that others have developed!
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