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      10-01-2011, 08:10 AM   #25
Diver
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Drives: Black '12 135i - Sold
Join Date: Nov 2010
Location: Texas

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I bet the electric motor is mounted inside the transmission instead of a torque converter. This also eliminates the starter and alternator. This is a feature of the ZF 8 speed. ZF claims up to a 30% bump in efficiency.
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