12 00 ... Instructions On Component Inspection

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

During all inspections and work on engine electrics and electronics, always observe safety regulations and accident prevention specifications.
Always disconnect connectors of control units or components before checking electric wires.

Testing Aids:

Schematics, refer to Diagnosis Information System (DIS).
Only ever use test lines, adapters, terminals and test tips manufactured by specialists, refer to Diagnosis Information System.
The inspection values for component testing are located in the Diagnosis Information System (DIS).
For further technical information, refer to ENGINE ELECTRICAL SYSTEM - TECHNICAL DATA .