BMW 7 Owners & Service Manuals

BMW 7 Series: System Overview

System Overview
Fig. 2: CIC System Block Diagram

CIC SYSTEM EXPLANATION CHART

  1. Central information display (CID)
  2. Car Information Computer (CIC)
  3. User interface (BO)
  4. Application software
  5. Hardware

System Overview
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

System Overview
Fig. 4: CIC System Circuit Diagram, In E9x And E8x Model Series (Not Including E83, E85, E86)

CIC SYSTEM EXPLANATION CHART

  1. Instrument cluster
  2. Dynamic stability control
  3. Junction box
  4. Central information display
  5. Car Information Computer
  6. USB Import/Export jack, glove compartment
  7. Future antenna expansion
  8. Microphone for hands-free facility
  9. Controller
  10. AF output for audio jack (standard equipment) if no USB Audio interface is installed
  11. Antenna diversity module with antenna amplifier
  12. MOST distributor in rear area
  13. OBD interface (including Ethernet connection to CIC)
  14. AF signals to speakers
  15. MOST direct access
  16. Footwell module
  17. Steering column switch cluster

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     System Components

     Car Information Computer

    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.

     Modular Design Of CIC 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

    SEE MORE:

     Replacing Wiring Harness In Left Or Right Front Door

    IMPORTANT: Read and comply with notes on HANDLING WIRING HARNESSES and cables. Necessary preliminary work Close front side window completely Disconnect BATTERY CABLE Remove SOUND INSULATION IN FRONT DOOR Remove LEFT-HAND OUTER DOOR HANDLE ON FRONT DOOR. Unlock plug connections (1) and disconn

     Tool

    TOOL Tool MW Note: (Press-out/-in tool set) For pressing the rubber mount out of and into the control arm special tools 33 3 202 and 33 3 203 for E87 and E90 Storage Location B32 SI number 01 05 90 (207) Consisting of: 1 = 0492261 Bush NOTE: For accommodating control arm when pressing out rubber mo

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