Section 958 (Engine Electrical System - Repair Instructions)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.
- Troubleshooting
- Spark Plugs
- Ignition Coil
- 12 13 Notes on checking ignition system
- 12 13... Checking Secondary Signal For Stationary Ignition Distribution
- 12 13... Normal oscillogram (M, S, W engines only)
- 12 13 009 Checking ignition coils (M60, M62, S62)
- 12 13 009 Checking ignition coils (secondary coil)
- 12 13 511 Replacing ignition coil (M60, M62)
- 12 13 520 Replacing a spark plug connector (M60, M62, M54)
- Electronic Switching Or Control Unit
- 12 14 520 Replacing impulse sensor (M62)
- 12 14 525 Replacing sensor for cylinder recognition (camshaft sensor) (M60, M62)
- 12 14 550 Replacing control unit (DME) (M52, M62, M54)
- 12 14 610 Replacing right knock sensors (cylinder bank 1 to 4) (M60, M62)
- 12 14 611 Replacing left knock sensors (cylinder bank 5 to 8) (M60, M62)
- 12 14 700 Coding control module (DME / DDE)
- 12 14 705 Programming control unit (DME / DDE)
- 12 63 520 Replacing master relay (M51, M52, M62)
- 61 35... Note on replacing codeable/programmable control units
- Alternator With Drive
- Regulator
- Starter With Mounting
- Starter Lead
- 12 42 500 Removing And Installing Or Replacing Battery Positive Lead (Between Starter, Alternator And Battery Positive Support Point) (M60, M62)
- 12 42 520 Removing and installing/replacing positive battery lead (between alternator and positive battery terminal on cylinder head cover) (M60, M62)
- 12 42 540 Replacing Safety Battery Terminal (SBK)
- Battery In Engine Compartment
- Battery In Luggage Compartment Behind Side Trim Panel
- Battery In Luggage Compartment Under Floor Trim Panel
- Battery in luggage compartment under spare wheel
- Engine Wiring Loom
- Oil Pressure/Oil Temperature
- Switches and Relays
- Sensor For Control Unit