Area Of Impact
WARNING: This page does not describe the selected car, but rather 151 other vehicles, including the 2006 BMW X5, 2006 BMW M3, 2006 BMW 330Ci, 2006 BMW 325Ci, and 2005 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
The airbag(s) will only activate during a frontal impact and then only when the collision is within a 60° arc, equidistant to the vehicle center line.
The front airbag sensors are spring loaded inertia type switches. The weighted roller will move forward, in the event of a frontal impact, closing the contacts of the sensor.