Section 162 (Engine Electrical System - Repair)
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, 2004 BMW 325xi, and 2004 BMW 325i. However, it is still accessible from the selected car via links, so may be relevant.
- Trouble shooting
- 12 00 Contents of Engine Electrical System General
- 12 00... Information on working on ignition system
- 12 00... Instructions for removing and installing electronic control units
- 12 00... Instructions for welding work (overload protection of 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 disconnecting and connecting battery
- 12 13 Notes on checking ignition system
- 12 13... Fault in fuel injection system
- 12 13... Spark-plug faults
- Ignition wires, spark plugs
- Ignition coil
- 12 13 Notes on checking ignition system
- 12 13... Ignition coil faults
- 12 13... Further fault patterns with evaluation
- 12 13... Additional fault notes for troubleshooting
- 12 13... Checking secondary signal for stationary ignition distribution
- 12 13... Normal oscillogram (M, S, W engines only)
- 12 13... Oscillograms of ignition coils from different manufacturers
- 12 13 009 Checking rod-type ignition coils (M54, M56, N40, N42, N45, N46, N52, N62, N73)
- 12 13 511 Replacing ignition coil (M52, M52TU, S52, S50US, M54)
- Electronic switching or control unit
- 12 14 521 Replacing pulse generator on crankshaft (M54/M56)
- 12 14 523 Replacing pulse generator on inlet camshaft (M52TU / M54 / M56)
- 12 14 524 Replacing pulse generator on exhaust camshaft (M52TU, M54, M56)
- 12 14 550 Replacing control module (DME)
- 12 14 600 Replacing knock sensor (M52TU, M54, M56)
- 12 14 700 Coding control module (DME / DDE)
- 12 14 705 Programming control unit (DME / DDE)
- 12 63 520 Replacing main relay
- 61 35... Note on replacing codable/programmable control units
- Alternator with drive and mount
- Regulator
- Starter with mounting
- Starter lead
- Engine wiring loom
- Oil pressure/oil temperature gauge
- Switches and relays