BMW 7 Owners & Service Manuals

BMW 7 Series: Car Information Computer

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 Introduction

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

 System Overview

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

 System Components

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 General information

Electronic control devices are installed in the vehicle. Electronic control units process data they receive from vehicle sensors, self-generate or exchange with each other. Some control units are necessary for the vehicle to function safely or provide assistance during driving, for instance driver

 Notes On Checking Ignition System

Troubleshooting Fault in fuel injection system Spark plug faults Ignition coil faults Further fault patterns with evaluation Additional fault notes for troubleshooting Oscillograms Normal oscillogram Oscillograms of ignition coils from different manufacturers Check Secondary signal for

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