See also:

HDC Hill Descent Control
The concept HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without applying the brakes, the vehicle moves at slightly more than walking ...

Exterior
Sharing its platform with the recently redesigned 7 Series, the 5 Series' wheelbase has been extended about 3 inches. It now leads its class, BMW says. Up front, the car's signature kidney grilles ...

Folding down the middle section
1. Fold in the middle head restraint. 2. Reach into the recess and pull the middle section forward. Folding down the middle section ...