For the navigation system, the optical drive can be used for updating the map material
stored on the hard disk.
The processors for the main board and application board are located in the lower half of
the CIC. This section also contains the main memory, the individual modules as well as
the hard disk drive. The CIC together with the controller and CID, make up the
iDrive system.
Advantages of the Car Information Computer
Combining several modules in one enclosure provides the following advantages:
• The combination of several systems enhances the functionality
• Outstanding software expansion options through suitable software interfaces
• Fewer plug connections increases reliability
• Less overall package space required for control units
53
F01 Audio Systems