Engine Electrical System - Repair

• Troubleshooting
  • 12 00 Contents of Engine Electrical System General
  • 12 00 ... Instructions for disconnecting and connecting battery
    • Notes
    • Vehicles With A Two-Battery System
  • 12 13 Notes on checking ignition system
• Ignition Wires, Spark Plugs
  • 12 12 011 Replacing all spark plugs (N62, N62TU)
• 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 13 009 Checking rod-type ignition coils (M54, M56, N40, N42, N45, N46, N52, N62, N73)
  • 12 13 511 Replacing ignition coil (N62)
• Electronic Switching, Or Control Unit
  • 11 37 700 Replacing control unit (Valvetronic)
  • 12 14 512 Replacing pulse generator on left exhaust camshaft (N62, N62TU)
  • 12 14 513 Replacing pulse generator on right exhaust camshaft (N62, N62TU)
  • 12 14 521 Replacing crankshaft pulse generator (N62, N62TU)
  • 12 14 522 Replacing pulse generator on left inlet camshaft (N62, N62TU)
  • 12 14 526 Replacing pulse generator on right inlet camshaft (N62, N62TU)
  • 12 14 550 Replacing control unit (DME) (N62, N62TU)
  • 12 14 610 Replacing right knock sensors (N62, N62TU)
  • 12 14 611 Replacing left knock sensors (N62, N62TU)
  • 12 14 700 Coding control module (DME / DDE)
  • 12 14 705 Programming control unit (DME / DDE)
  • 12 90 100 Replacing fan for electronics box (N62)
• Alternator With Drive
  • 12 31 ... Replacing alternator belt pulley
  • 12 31 009 Checking alternator (BSD)
  • 12 31 020 Removing and installing or replacing alternator (N62)
  • 12 31 020 Removing and installing/replacing alternator (N62)
• Regulator
  • 12 32 501 Replacing controller switch for alternator (N62, N62TU)
• Starter With Mounting
  • 12 41 020 Removing and installing/replacing starter motor (N62, N62TU)
  • 12 41 041 Replacing solenoid switch
• Starter Lead
  • 12 42 500 Removing and installing or replacing battery positive lead (between alternator, starter motor and jump start connection point) (N62, N62TU)
• Engine Wiring Loom
  • 12 51 001 Replacing wiring harness section for engine (N62)
  • 12 51 001 Replacing wiring harness section for engine (N62, N62TU)
  • 12 51 150 Removing and installing/replacing wiring harness section for fuel injectors on left or right (N62)
• Oil Pressure/Oil Temperature Gauge
  • 12 61 280 Removing and installing/replacing oil pressure switch (N62, N62TU)
  • 12 61 285 Replacing engine oil level switch (N62, N62TU)
• Control Unit Box
  • 12 90 100 Replacing fan for electronics box (N62)