Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
2010 BMW X5 M Review
On paper, the BMW X5 M seems about as incongruous as a car can be. It's a
five-seat midsize crossover powered by a 555-horsepower, twin-turbocharged V-8
engine that can accelerate from zero to 60 ...
Engine and differential
Always obey all official speed limits.
Up to 1,200 miles/2,000 km
Do not exceed the maximum engine and road
speeds:
▷ For gasoline engine, 4,500 rpm and
100 mph/160 km/h.
▷ For die ...
Maintaining/storing the speed
Press the button.
or:
Press the rocker switch while the system is interrupted.
When the system is switched on, the current
speed is maintained and stored as the desired
speed.
It is d ...