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 ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. The parking brake can be set manually or automatically: ▷ Manual: by pu ...

Tire damage
General information Inspect your tires often for damage, foreign objects lodged in the tread, and tread wear. Notes Driving over rough or damaged road surfaces, as well as debris, curbs and oth ...