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
What Points must be Observed During Servicing
ICM Control Unit
NOTE: If the ICM control unit needs to be replaced, the repair
instructions must be
observed without fail.
For example, the vehicle battery must be disconnected before removing the
control unit and reconnected following the installatio
NOTE: Owing to the different engine variants and equipment specifications,
not all the
components are taken into consideration.
The following list basically represents the removal sequence.
Clamp off battery negative lead (job number: 6120 900)
Remove bumper trim (job number: 5112156)
Remove bu