General Electrical System - Service Information

• General electrical system
  • Personal Profile : E87, E90
    • Notes
    • Introduction
    • Brief description of components
    • Control for central access to the profiles
    • Central display and operation
    • Executing control units
    • System functions
    • Operation
    • Memory conditions
    • National versions
  • Interior mirror with digital compass : E70, E71, E82, E83, E88, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Display
      • Brightness control of display
      • Adjustment of magnetic field zones and calibration
      • from 09/2006: Further adjustments
      • up to 09/2006: Fault display
    • Preconditions for activation
  • Electrically adjustable seats : E81, E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Seat adjustment
      • Seat heating
      • Rear easy-entry facility
  • Junction box : E70, E71, E81, E82, E87, E88, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
    • Cable connector
    • Junction box electronics relays
  • Power supply : E81, E82, E87, E88, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Power management
      • Emergency operation in the event of bitserial data interface failure
      • Energy management system
    • Data transfer for power supply
  • Steering Column Switch : E70, E71, E81, E82, E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Monitoring of steering angle and steering-wheel turns
  • Footwell module : E70, E71, E81, E82, E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
      • Notes
      • Belt feeder controllers (E92 only)
    • System functions
      • Notes
      • Gateway between LIN bus and K-CAN
      • Activation via various signals
      • Storing vehicle order
      • Other functions
        • Notes
        • Door mirrors
      • Exterior lighting
      • Interior lighting
      • Central locking system
      • Power windows
    • Preconditions for activation
  • Bus structures : All models from E38 and MINI
    • Introduction
    • Buses and control units in the E60, E61, E63, E64
    • Buses and control units in the E65 and E66
    • Buses and control units in the E70
    • Buses and control units in E81, E82, E87
    • Buses and control units on the E90, E91, E92, E93
    • Buses and control units on the R50, R52, R53
    • Buses and control units in the R55, R56
  • Car Access System : E60, E61, E63, E64, E70, E81, E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Terminal control
      • Convenient-start system
      • Control of the electronic steering lock
      • Remote control for central locking system
      • Centralised control of the central locking system
      • Centralised control of the power windows
      • Centralised control for CA (Comfort Access)
      • Waking of the MOST via the K CAN for a telematics service
      • Centralised data source for the vehicle order and redundant data storage for vehicle data
  • Bus diagnosis : All models from E60
    • Introduction
    • Bus system analysis
    • Functions of bus system analysis
    • Terminating resistors
    • MOST system analysis
    • Functions of MOST system analysis
  • Roof control panel : E70, E81, E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
    • Preconditions for activation
    • Operation
      • Notes
      • How to switch the interior lighting on and off
      • Setting the sensitivity of the rain-light sensor or rain-light solar sensor
    • Japanese national version
  • AGM battery : All models from E39
    • Introduction
    • Service life of AGM batteries
    • Brief description of components
  • Electrically operated trailer coupling : E60, E61, E90, E91, E92, E93
    • Notes
    • Introduction
      • Notes
      • Modifications from 09/2005
      • Modifications from 03/2007
    • Brief description of components
    • System functions
      • Notes
      • Trailer coupling release
      • Pivoting out and in of the electrically pivoted trailer coupling
      • Automatic pivoting out and in
      • Pivoting out or in by continuous operation of the button
      • Monitoring of terminal 15 and Check Control message
      • Undervoltage and overvoltage
      • Overheating protection for drive
      • Adjusting the trailer coupling
      • Emergency function
      • Emergency operation
    • Preconditions for activation
  • Central locking system : E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Locking
      • Deadlocking
      • Unlocking
      • Hotel position (US version)
      • Crash unlocking
      • Forced unlocking
      • Lockout protection
      • Repeat interlock
      • Automatic relocking
      • Voltage monitoring
      • Selective unlocking
      • Speed-dependent locking
      • Locking the fuel filler cap
    • National versions
  • Instrument cluster : E81, E87, E90, E91, E92, E93
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Operational readiness
      • Operating voltage range
      • Brightness control
      • Actuation for moving-disc instrument
      • Shift point indicator
      • Redundant data storage
  • iDrive, Central Information Display and Controller : E60, E61, E63, E64, E87, E90, E91, E92
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Revised menus
      • Hierarchical structure of the menus (operating logic)
      • Additional orientation guides
    • National versions
  • Comfort Access : E60, E61, E63, E64, E70, E81, E87, E90, E91, E92, E93
    • Notes
    • Introduction
      • Notes
      • New or modified features on E90, E91, E92 compared to E81, E87, E93
      • New or modified for the E60, E61, E63, E64
    • Brief description of components
    • System functions
      • Notes
      • Passive Entry via doors
      • Authenticity check using the example of Passive Entry
      • Passive Entry via the tailgate or front rear window
      • Passive Go
      • Passive Exit
      • Disabling an ID transmitter located inside the vehicle
      • Disabling an opposing command
      • Tamperproof lock
    • National versions
  • Park Distance Control : E70, E87, E90, E91, E92, E93, R56
    • Notes
    • Introduction
    • Brief description of components
    • System functions
      • Notes
      • Acoustic warnings
      • Optical warning with multimedia platform or multi audio system controller or Car Communication Computer
      • Check Control
      • System limits
    • Conditions for switching on and off
    • Operation