Quote:
Originally Posted by G30M
the front axle is disconnected most of the time
front axle is only activated when accelerating
at least in my M340i it was, not sure about yours.
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My info is xDrive under normal conditions splits power 60/40 rear axle/front axle.
But under extreme conditions can send all power to either axle.
With some models -- M8 -- one can set the AWD system to rear wheel drive only.