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
IMPORTANT: Risk of fire if oil lines are leaking.
Risk of mixing up vacuum hoses.
Necessary preliminary work
Remove CATALYTIC CONVERTER , cylinders 1-4
Disconnect plug connection (1) on electric changeover valve (2).
Fig. 496: Identifying Plug Connection On Electric Changeover Valve
Relea
REPLACING TANK VENTING VALVE (N63)
Necessary preliminary tasks
Check stored fault message.
Switch off ignition.
Remove FAN COWL.
Unlock connector (1) and remove.
Unlock hose (2) and detach.
Unlock hose (3) further below on intake manifold and detach.
Detach tank vent valve (4) from holder an