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      11-05-2008, 10:19 AM   #11
micah
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Drives: 2006 330i 6MT
Join Date: Oct 2008
Location: Seattle, WA

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At the risk of sounding like an idiot: with AWD there is greater drivetrain loss and lower MPG than RWD/FWD. It sort of strands to reason, doesn't it, that the LSD would have small effect on MPG? I think of an open diff as being 1WD and LSD as being 2WD -- is that an incorrect assessment?
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