See also:

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. It maintains the speed that was set using the control elements on the steering wheel. The system brakes on downhill gradie ...

Diesel Power
Drive a diesel and you'll likely notice the characteristic extra power when you're pulling away from a stoplight. That comes from low-end torque diesels typically produce. The X5 xDrive35d has a h ...