2012 BMW 640 review

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Double-joint front axle with spring struts and anti-roll bar
The front axle of the new BMW sports sedan is based on a proven design which provides an optimal fusion of driving dynamics and comfort. The wheel suspension combines maximum stiffness with minimu ...

Active seat
Active adjustment of the seat cushion's contours reduces muscular tension and fatigue to help prevent lower back pain. Press the button. The LED lights up. ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...