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
IMPORTANT: Do not kink, twist or crush lines.
Do not disassemble screw connection!
Fitting new screw connection
Insert complete new screw connection consisting of toothed ring (1), banjo
bolt (2) and assembly plug (3) into
air spring/pipe connection of air supply unit.
Tightening torque 37 12 3AZ