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      01-02-2013, 09:50 AM   #2
07lilredwagon
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Drives: 07 328 wagon
Join Date: Dec 2012
Location: New York

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I found this brief description:

Used to proportion front/rear wheel torque

From what I have been reading, the "all wheel drive" system constantly adjusts for the best overall performance and traction, ect...this sounds like a player in that category.

JP