Engine Electrical System - Repair (N51)

• Troubleshooting
  • 12 00... Instructions For Disconnecting And Connecting Battery
  • 12 00... Instructions For Working On The Ignition System
  • 12 00... Notes/Information On Removing And Installing Control Units
  • 12 00... Notes/Information On Start Assistance (Jump Starting)
• Ignition Wires, Spark Plugs
  • 12 12 011 Replacing All Spark Plugs (N40, N42, N45, N46, N51, N52, N52K)
    • Special Tools Required
• Ignition Coil
  • 12 13 Notes On Checking Ignition System
  • 12 13 511 Replacing Ignition Coils (N51, N52, N52K)
• Electronic Switching Or Control Unit
  • 12 14 521 Replacing Crankshaft Pulse Generator (N51, N52, N52K, N53)
  • 12 14 523 Replacing Inlet Camshaft Pulse Generator (N51, N52, N52K, N53)
  • 12 14 524 Replacing Exhaust Camshaft Pulse Generator (N51, N52, N52K, N53)
  • 12 14 550 Replacing Control Unit (DME)
  • 12 14 600 Removing/Replacing Knock Sensors (N51, N52, N52K)
  • 12 14 700 Coding Control Module (DME/DDE)
  • 12 14 705 Programming Control Unit (DME/DDE)
• Alternator With Drive
  • 12 31... Replacing Alternator Belt Pulley
    • Special Tools Required
  • 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 (N51, N52, N52K, N53)
• Regulator
  • 12 32 501 Replacing Voltage Regulator
• Starter With Mounting
  • 12 41 020 Removing And Installing/Replacing Starter (N51, N52, N52K, N53, N54)
  • 12 41 041 Replacing Solenoid Switch
• Starter Lead
  • 12 42 500 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 (N51, N52K)
  • 12 51 100 Replacing Wiring Harness Section For Ignition Coil (N51, N52K)
• Oil Pressure/Oil Temperature Gauge
  • 12 61 280 Removing And Installing/Replacing Oil Pressure Sensor (N51, N52, N52K, N53, N54)
  • 12 61 285 Replacing Engine Oil Level Sensor (N46, N51, N52, N52K, N53, N54)
• Control Unit Box
  • 12 90... Removing And Installing/Replacing Electronics Box
  • 12 90 100 Replacing Fan For Electronics Box