Section 975 (Engine Electrical System - Repair Instructions)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.
- Troubleshooting
- 12 00... Contents of Engine Electrical System General
- 12 00... Information on working on ignition system
- 12 00... Instructions for disconnecting and connecting battery
- 12 00... Instructions for removing and installing electronic control units
- 12 00... Instructions for connecting and disconnecting test units
- 12 00... Instructions on component testing
- 12 00... Instructions on starting aid
- 12 00... Instructions for welding work (overload protection of control units)
- 12 13 Notes on checking ignition system
- Ignition Wires, Spark Plugs
- Ignition Coil
- 12 13 Notes on checking ignition system
- 12 13... Additional fault notes for troubleshooting
- 12 13... Checking secondary signal for stationary ignition distribution
- 12 13... Further fault patterns with evaluation
- 12 13... Normal oscillogram (N42, N62)
- 12 13... Fault in fuel injection system
- 12 13... Spark-Plug Faults
- 12 13... Ignition Coil Faults
- 12 13 009 Checking rod-type ignition coils (M54, M56, N40, N42, N45, N46, N52, N62, N73)
- 12 13 511 Replacing ignition coil (N62)
- Electronic Switching
- 11 37 700 Replacing control unit (Valvetronic)
- 12 14 512 Replacing pulse generator on left exhaust camshaft (N62)
- 12 14 513 Replacing pulse generator on right exhaust camshaft (N62)
- 12 14 521 Replacing crankshaft pulse generator (N62)
- 12 14 522 Replacing pulse generator on left inlet camshaft (N62)
- 12 14 526 Replacing pulse generator on right inlet camshaft (N62)
- 12 14 550 Replacing control unit (Digital Motor Electronics) (N62)
- 12 14 610 Replacing right knock sensors (N62)
- 12 14 611 Replacing left knock sensors (N62)
- 12 14 700 Coding control module (DME / DDE)
- 12 14 705 Programming control unit (DME / DDE)
- 12 52 005 Removing and installing/replacing integrated supply module (N62)
- 12 90 100 Replacing fan for electronics box (N62)
- Alternator With Drive And Mount
- Starter With Mounting
- Starter Lead
- Engine Wiring Loom
- Connectors, Plugs
- Oil Pressure/Oil Temperature Gauge
- Control Unit Box