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

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     Electronic Ride-Height Control (EHC)

    Control Unit The EHC control unit is located in a module carrier in the rear of the luggage compartment on the right-hand side. Fig. 132: Identifying Air Supply (LVA) And EHC Control Module On Mounting Bracket INDEX REFERENCE CHART Air supply (LVA) EHC control module on mounting bracket The E

     Intake Silencer

    REMOVING AND INSTALLING/REPLACING BOTH INTAKE FILTER HOUSINGS (N63) Necessary preliminary work Switch off ignition. Remove ACOUSTIC COVER NOTE: Description for intake filter housing. Procedure on right side identical. Release clamps (1). Tightening torque 13 62 9AZ. Disconnect connector (2) a

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