See also:

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...

X5 Diesel in the Market
From a driver's perspective, the diesel X5 is a worthy effort: quick on its feet and agile when it needs to be, yet comfortable for the long haul. Well-to-do families might still give it a look — ...