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EnglishAdvanced technology -> Radio reception for your BMW 5 Series 1995-2003
176nAirbags
Radio reception
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 breaking
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.
Deceleration sensors continuously
The AM frequency bands (medium-
wave, long-wave and short-wave) make
it possible to receive stations from a
great distance, because the broadcast
signals travel not only along the ground
as surface waves, but also as waves
bounced back to earth from the iono-
sphere.
monitor the physical forces acting upon
the vehicle. If, as the result of a frontal
collision, a deceleration is reached at
which the protection of the safety belts
alone is no longer adequate, the gas
generators of the front airbag will be
simultaneously ignited on both the
driver and passenger sides. However,
the front airbag on the passenger-side
is only triggered if an additional sensor
has recognized that the passenger seat
is occupied.
The entire process is completed within
fractions of a second.
Frequency-modulation (FM) provides
substantially better sound quality than
AM. However, because FM transmis-
sions rely on line-of-sight broadcast
waves, their effective reception range is
limited.
Depending on which side the vehicle is
involved in a side collision, the head
protection and side airbags in the front
and rear* are triggered if necessary.
Radio reception
BMW active seat*
177n
ceptible, resulting in an improved flow
Although numerous factors combine to
impose inherent limitations on the
of blood to the vertebral discs and the
muscles in the area of the spinal
column. Vehicle occupants can experi-
ence less muscle cramping, back pain
in the spine's lumbar region and
fatigue. The active seat thus provides a
significant contribution to your driving
comfort and safety.
reception quality available from mobile
radios, specially designed systems can
be employed to minimize their effects:
The "Radio Data System" (RDS) makes
sure that, for broadcast stations
sending on several frequencies, the
radio automatically tunes to the
frequency with the best reception
quality.
The Diversity Antenna system employs
several FM antennas integrated within
the rear window. An integral processor
automatically selects the antenna with
the best FM reception quality at any
given time. The selection of the antenna
takes place within milliseconds, and
is therefore not noticed by the radio
listener.
BMW seats are configured for your
orthopedic well-being. The active seat
is an engineering enhancement of
BMW's seats, designed to ensure less
fatigue during extended trips while
sitting with little movement. The seat is
no longer a passive element between
the road, the running gear and the
passenger. Instead, it creates minor
and imperceptible shifts in your weight
by an active change in the contour of
the seat surface. The basic seat posi-
tion is not changed as this occurs.
Fluid cushions are located below the
surface of the seat in the seat's uphol-
stery on the left and right. The fluid is
circulated slowly back and forth
between the two cushions by means of
a pump. This causes a movement of the
spinal column which is virtually imper-
