6
Communications
Radio and CD changer
The following radios are available for the E85:
• BMW Business radio-CD
• BMW central information display radio CID radio
All radios are new generation radios (NG radios). The radios feature a K-bus connection via
which they communicate with other control units.
The AF input (audio signals) of the CD changer was increased from 0.5 V to 2.0 V in order
to increase the signal-to-noise ratio. The new generation radios detect whether they com-
municate with a 0.5 V CD changer (old) or a 2.0 V CD changer (new) and switch over the
input accordingly.
A 6-CD changer is additionally available
for the E85.
A radio with a cassette drive is no
longer available.
New Features of the System
The central information display radio is a new feature on the E85 and serves as the control
panel for the CID. The CID radio combines the radio functions with operation of the navi-
gation system, on-board computer, DSP amplifier, settings as well as deactivation of the
CID.
Standard Business Radio-CD
Central Information Radio-CD (CID)
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