Engine Electrical System - Repair (N63)

• Troubleshooting
  • 12 00... Instructions for disconnecting and connecting battery
    • Notes
    • Before disconnecting battery
    • General notes on disconnecting battery
    • After connecting battery
    • Vehicles with a two-battery system
  • 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)
    • Notes
    • Preparation
    • Operation
  • 61 00... Notes on handling wiring harnesses and cables
    • In general
    • In addition
• Ignition Wires Spark Plugs
  • 12 12 011 Replacing all spark plugs (N53, N54, N63)
• Ignition Coil
  • 12 13 511 Replacing ignition coils (N63)
• Electronic Switching Or Control Unit
  • 12 14 512 Replacing pulse generator on left exhaust camshaft (N63)
    • Notes
    • Installation
  • 12 14 513 Replacing pulse generator on right exhaust camshaft (N63)
    • Notes
    • Installation
  • 12 14 521 Replacing crankshaft pulse generator (N63)
    • Notes
    • Installation location
  • 12 14 522 Replacing pulse generator on left inlet camshaft (N63)
    • Notes
    • Installation
  • 12 14 526 Replacing pulse generator on right inlet camshaft (N63)
    • Notes
    • Installation
  • 12 14 550 Replacing control unit (DME) (N63)
    • Notes
    • Injector adjustment
  • 12 14 610 Removing/replacing right knock sensors (N63)
  • 12 14 611 Removing/replacing left knock sensors (N63)
  • 12 14 700 Coding control module (DME / DDE)
  • 12 14 705 Programming control unit (DME / DDE)
  • 12 90... Removing and installing/replacing electronics box
• Alternator With Drive And Mount
  • 12 31... Replacing alternator belt pulley
  • 12 31... Replacing alternator belt pulley (with overrunning clutch)
  • 12 31 009 Checking alternator (BSD)
    • Notes
    • Oscillogram for a fault-free alternator
    • Oscillogram for a faulty alternator
  • 12 31 020 Removing and installing or replacing alternator (N63)
• Regulator
  • 12 32 501 Replacing voltage regulator
• Starter With Mounting
  • 12 41 020 Removing and installing/replacing starter (N63)
    • Notes
    • Installation
  • 12 41 041 Replacing solenoid switch
• Starter Lead
  • 12 42 540 Replacing safety battery terminal (SBK)
    • Notes
    • 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
  • 12 42 550 Replacing battery positive lead between starter, alternator and battery positive terminal (N63)
• Engine Wiring Loom
  • 12 51 001 Replacing wiring harness section for engine (N63)
  • 12 51 100 Replacing wiring harness section for ignition and injectors (N63)
• Oil Pressure Oil Temperature
  • 12 61 280 Removing and installing/replacing oil pressure sensor (N63)
    • Notes
    • Installation location
  • 12 61 285 Replacing engine oil level sensor (N63)
• Control Unit Box
  • 12 90... Removing and installing/replacing electronics box
  • 12 90 100 Replacing fan for electronics box