See also:

Aerodynamic optimisation of underside panelling
As the excellent drag coefficient (cd = 0.26) would suggest, the aerodynamics of the new BMW 3-Series have been intensively honed in a state-of-the-art wind tunnel. The optimised aerodynamics also ...

Brake assistant
When you apply the brakes rapidly, this system automatically produces the maximum braking force boost. It thus helps to achieve the shortest possible braking distance during full braking. This ...

Maintaining current speed
Push, arrow 1, or pull, arrow 2, the lever to the resistance point. The car's current speed is stored and maintained. It is displayed on the speedometer and briefly in the instrument cluster. O ...