Remote control/key

See also:

Precise lines produce a stretched silhouette and enhance the car's dynamic impact
Powerfully taut surfaces with sweeping lines dominate the side view of the BMW 3-Series Sedan, stretching the car visually and lending extra verve to its dynamic stance. The flanks of the car are ...

The Appendage Factor
M cars have had what I call a high appendage factor — the feeling that the car is an extension of the driver. It's typically experienced in cars whose various systems and characteristics are well- ...

Camera monitoring: Lane Departure Warning System and Collision Warning
The Lane Departure Warning System available for the new BMW 3-Series Sedan is activated at speeds above 70 km/h (43 mph) and warns the driver if he unintentionally strays out of his lane. The syst ...