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196n
Deceleration sensors continuously
monitor the physical forces acting upon
the vehicle. If, as the result of a frontal
impact, vehicle deceleration is reached
at which the protection of the safety
belts alone is no longer adequate, the
gas generators of the driver-side and
passenger-side airbags are ignited
simultaneously. However, the
passenger-side airbag is only triggered
if an additional sensor has recognized
that the passenger seat is occupied.
Depending on which side the of vehicle
is involved in a side collision, the head
protection and side airbags in the front
and rear
* on that side are triggered if
necessary.
390de319
The airbags located under the marked
covers inflate and unfold in a matter of
a few milliseconds. In this process, they
tear through the designed separation
points of the upholstered covers or
press them out.
Because the inflation process must be
virtually instantaneous, it is necessarily
accompanied by a certain amount of
ignition and inflation noise. The gas
required to inflate the airbags is not
dangerous, and the associated smoke
then dissipates.
The entire process is completed within
fractions of a second.
On vehicles with an automatic trans-
mission, Adaptive Transmission Control
(ATC) uses a number of factors to
calculate the gear which provides the
maximum efficiency. In this process,
the system monitors your personal
driving style, the driving situation, the
condition of the road, and the traffic
conditions.
ATC recognizes your personal driving
style from the positions and movements
of the accelerator pedal, deceleration
when braking, and lateral acceleration
through curves. Four different shift
characteristics – from comfort-oriented
to performance-oriented – are available
for selection by ATC.
530us130
Airbags ATC*
Online Edition for Part No. 01 41 0 155 558 - © 09/00 BMW Group
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