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      08-09-2011, 11:40 AM   #7
dsitch49
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Drives: 328i LCI
Join Date: Jun 2011
Location: United States

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2009 BMW 328i  [0.00]
Quote:
Originally Posted by Jon D View Post
By definition a turbocharger is powered by exhaust gasses, therefore if the third unit was electrically powered, it would be classed as a supercharger.
My guess is that it might be either a triple scroll unit or three individual turbos, each driven by a pair of cylinders, determined by firing order.
Could it not use the exhaust gasses to power the batteries?
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