See also:

Tachometer
Never force the engine speed up into the red warning field, see arrow. In this range, the fuel supply is interrupted to protect the engine. ...

Engine oil temperature
▷ Cold engine: the pointer is at the low temperature end. Drive at moderate engine and vehicle speeds. ▷ Normal operating temperature: the pointer is in the middle or in the left ...

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 ...