Watch a BMW 328xi wagon, 530xi wagon, X3, and X5 rip through the snow using the xi awd system. Here's a brief explanation of the xi awd system:
For 2006, BMW neutralized that last excuse by adding its xDrive all-wheel-drive system—similar to that in the X3 and X5 sport-utes, defaulting to rear-wheel drive and delivering up to a 50/50 split via an electronically controlled clutch pack as conditions require...
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