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Cellular phone* Radio reception
Mobile communications systems
(cellular phone, radio, etc.) are only
allowed a power output of up to
10 watts. Mobile communications
devices not specifically designed for
use in your vehicle may trigger malfunc-
tions during vehicle operation. BMW
can neither test nor assume responsi-
bility for every individual product being
offered on the market. We recommend
that you consult your BMW center
before purchasing any device of this
kind.
To ensure that your BMW continues to
provide reliable and trouble-free opera-
tion, do not use a cellular phone or
other radio device with an antenna
located inside the passenger compart-
ment. The antenna should always be
mounted on the outside of the vehicle.
The reception and sound quality
obtained from mobile radios vary
according to a variety of factors,
including the broadcast range of the
transmitter and the directional orienta-
tion of the antenna. Interference factors
such as high-tension power lines, build-
ings and natural obstructions can all
lead to unavoidable reception interfer-
ence, regardless of how well the vehicle
sound system is operating. Climatic
factors such as intense solar radiation,
fog, rain and snow can also interfere
with reception.
Cellular phones without formal BMW
approval can also generate interfer-
ence. This phenomenon assumes the
form of a low-pitched hum emanating
from the speaker system.
Please refer to the Owner's Manual
provided with your sound system for
detailed information on its use.
For additional information on the car
radio reception refer to the chapter
"Advanced technology" on page 198.
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