BMW 7 Series: System Overview
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Fig. 2: CIC System Block Diagram
CIC SYSTEM EXPLANATION CHART
- Central information display (CID)
- Car Information Computer (CIC)
- User interface (BO)
- Application software
- Hardware
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Fig. 3: Bus Overview E9x And E8x (Not Including E83, E85, E86) Model Series,
CIC
BUS EXPLANATION CHART
ACSM - Advanced crash and safety management
CAS - Car access system
CDC - CD changer
CID - Central information display
CIC - Car Information Computer
CON - Controller
FS - MOST direct access
JB - Junction box
SDARS - Satellite radio tuner
TCU - Telematics Control Unit
TOP-HiFI - Top-HiFi amplifier
SBX-High - USB interface box High
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Fig. 4: CIC System Circuit Diagram, In E9x And E8x Model Series (Not
Including E83, E85, E86)
CIC SYSTEM EXPLANATION CHART
- Instrument cluster
- Dynamic stability control
- Junction box
- Central information display
- Car Information Computer
- USB Import/Export jack, glove compartment
- Future antenna expansion
- Microphone for hands-free facility
- Controller
- AF output for audio jack (standard equipment) if no USB Audio interface
is installed
- Antenna diversity module with antenna amplifier
- MOST distributor in rear area
- OBD interface (including Ethernet connection to CIC)
- AF signals to speakers
- MOST direct access
- Footwell module
- Steering column switch cluster
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Fig. 5: Front View Of CIC
The design principle of the CIC is similar to a personal computer, the Car
Information Computer contains a
processor, RAM (memory) modules and other peripheral components.
Fig. 11: Individual Replaceable Components Of Car Information Computer
CIC COMPONENTS EXPLANATION CHART
Replaceable device CIC
DVD/CD player including CIC housing cover
Front panel
Hard disk dri
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IMPORTANT: Risk of damage!
The button for the controller must not be removed!
Necessary preliminary work
Remove CENTRE CONSOLE TRIM
Release screws (1).
Tightening torque 61 31 2AZ.
Remove controller (2) from center console cover (3).
Fig. 203: Identifying Front Controller With Screws And Centr
Read contents of BODY, GENERAL.
Necessary preliminary tasks
Remove PANEL FOR REAR LID.
Disconnect all cable plug connections and pull wiring harness out of
rear lid.
Carry over the work step shown symmetrically to the other side of the
vehicle.
Release screws (1).
Slacken screw (2) and remo