See also:

Interior
Even though it's relatively unchanged for 2009, the X3's interior remains very upscale for this segment. My test car's dark brown leather upholstery and black dashboard made for an especially clas ...

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 ...

Avoid high engine speeds
Use 1st gear to get the vehicle in motion. Beginning with 2nd gear, accelerate rapidly. When accelerating, shift up before reaching high engine speeds. When you reach the desired speed, shift i ...