The Car Information Computer (CIC) is incorporates many innovations and new
features. The system has been
introduced to the US market on the 1 Series and the 3 Series from September of
2008 producti
Fig. 2: CIC System Block Diagram
CIC SYSTEM EXPLANATION CHART
Central information display (CID)
Car Information Computer (CIC)
User interface (BO)
Application software
Hardware
Fig. 3: Bus Ov
IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC
DISCHARGE (ESD PROTECTION).
Necessary preliminary work:
Remove COVER ON REAR BUMPER PANEL.
Release latch mechanisms (1) and remove control unit (2) in direction of
arrow.
Fig. 287: Identifying Control Unit And Latch Mecha
REPLACING VOLTAGE REGULATOR
Necessary preliminary tasks
Switch off ignition
Disconnect battery negative lead
See NOTES/INFORMATION ON REMOVING AND INSTALLING CONTROL UNITS
Remove alternator
Bosch
Release protective caps (1).
Fig. 52: Identifying Protective Caps
Bosch
Release screw (1) and nut