Engine Electrical System - Repair (N52)

• Troubleshooting
  • 12 00 Contents of Engine Electrical System General
  • 12 00... Instructions for Disconnecting And Connecting Battery
  • 12 00... Instructions for Removing And Installing Electronic Control Units
  • 12 13 Notes on Checking Ignition System
• Ignition Wires, Spark Plugs
  • 12 12 011 Replacing All Spark Plugs (N42, N40, N46, N45, N52, N52K, N51)
• Ignition Coil
  • 12 13 Notes on Checking Ignition System
  • 12 13 009 Checking Rod-Type Ignition Coils (M54, M56, N40, N42, N43, N45, N46, N52, N62, N62TU, N73)
  • 12 13 511 Replacing Ignition Coil (N52, N52K, N51)
• Electronic Switching Or Control Unit
  • 12 14 521 Replacing Crankshaft Pulse Generator (N52, N52K, N51, N53)
  • 12 14 523 Replacing Inlet Camshaft Pulse Generator (N52, N52K, N51, N53)
  • 12 14 523 Replacing Pulse Generator On Inlet Camshaft (N52K)
  • 12 14 524 Replacing Exhaust Camshaft Pulse Generator (N52, N52K, N51, N53)
  • 12 14 524 Replacing Pulse Generator On Exhaust Camshaft (N52K)
  • 12 14 550 Replacing Control Unit (DME)
  • 12 14 600 Removing/replacing Knock Sensors (N52, N52K, N51)
  • 12 14 700 Coding Control Module (DME / DDE)
  • 12 14 705 Programming Control Unit (DME / DDE)
• Alternator With Drive And Mounting
  • 12 31... Replacing Alternator Belt Pulley (Version 1)
  • 12 31... Replacing alternator belt pulley (Version 2)
  • 12 31... Replacing Alternator Belt Pulley (With Overrunning Clutch)
    • Special tools required:
  • 12 31 009 Checking Alternator (BSD)
  • 12 31 020 Removing and Installing Or Replacing Alternator (N52K)
• Regulator
  • 12 32 501 Replacing Voltage Regulator
• Starter With Mounting
  • 12 41 020 Removing and Installing/Replacing Starter Motor (N52, N52K, N51, N53, N54)
  • 12 41 041 Replacing Solenoid Switch
• Starter Lead
  • 12 42 500 Removing and Installing Or Replacing Battery Positive Lead (between Starter, Alternator And Battery Positive Terminal)
  • 12 42 540 Replacing Safety Battery Terminal (SBK)
• Engine Wiring Loom
  • 12 51 001 Replacing Wiring Harness Section For Engine (N52)
    • Special tools required:
  • 12 51 100 Replacing Wiring Harness Section For Ignition Coil (N52)
• Oil Pressure/Oil Temperature/Oil Gauge
  • 12 61 280 Removing and Installing/Replacing Oil Pressure Sensor (N52, N52K, N51, N54, N53)
  • 12 61 280 Removing and Installing/Replacing Oil Pressure Sensor (N52)
  • 12 61 285 Replacing Engine Oil Level Sensor (N52, N52K, N51, N46, N54, N53)
• Control Unit Box
  • 12 90... Removing and Installing/Replacing Electronics Box
  • 12 90 100 Replacing Fan For Electronics Box