Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion.
Fuel savings are achieved after the vehicle is switched off for only approx. 4 seconds.
See also:
Tire inflation pressures X5 xDrive50i with two rows of seats
...
Tire inflation pressures X5 xDrive35i/X5 xDrive35d with three
rows of seats
...
Switching on automatically
Select transmission position R with the engine
running. ...