See also:

Intelligent lightweight design brings further reduction in fuel consumption and CO2 emissions
Use of lightweight materials has played a significant role in reducing vehicle weight and in delivering high passenger cell safety standards, combined with a significant increase in strength. At t ...

The concept
The vehicle alarm system responds to: ► Opening of a door, the hood or the tailgate. ► Movements in the vehicle. ► Changes in the vehicle tilt, e.g., during attempts to steal a ...

Safety
Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...