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
Notes
WARNING: Chain tensioner is pre-tensioned.
Release lock pin only in installed state.
Danger of injury!
IMPORTANT: Risk of damage!
The engine must not be cranked when the chain tensioner is removed.
The timing chain may jump.
Necessary preliminary work
Remove TIMING CASE COVER at top left
Wheel speed sensors
The same type of wheel-speed sensor is used on the F01/F02 as on the E70/E71
(DF11i made by Robert Bosch
GmbH).
They are four active wheel-speed sensors, all four of which are connected by
dedicated two-core leads directly
to the DSC control unit. The wheel-speed data is trans