Quote:
Originally Posted by Humtek
The AWD system in the XI is rwd bias, meaning you mainly run in rwd and the front doesn't start gripping until the rear slips.
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The BMW Xi system is actually 40/60 F/R full time for normal driving, and up to 0/100 or 100/0 when either end slips.
The whole idea of running a staggered set up is to reduce oversteer in a high power RWD car by making the rear end harder to slide sideways. In an Xi it is mostly for cosmetics since it doesn't oversteer that much to start with.