See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. The vehicle moves at approximately walking speed without braking intervention by the ...

Buttons at a glance
1 System on/off, interrupt 2 Resume speed 3 Store speed* 4 Reduce distance 5 Store, maintain/change speed 6 Increase distance ...

Ride & Handling
One of my lasting memories of the prior-generation X3 was its extremely firm ride, which led to a choppy driving experience on rough roads. It was disappointing, to say the least, because BMWs oft ...