Engine Electrical System - Repair (N54, 2011-2012)

• Safety And General Information
  • 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
  • (61 00.. Notes for disconnecting and connecting battery)
  • (61 20.. Battery replacement information)
  • (61 13.. Notes for opening contacts and locks of different plug contact systems)
  • (61 00.. Notes on handling wiring harnesses and cables)
  • (61 13.. Butt connector for repairing a plug connection)
  • (11 00.. Handling components after flood damage)
  • 12 00.. Instructions for removal and replacement of control units
  • 12 00.. Instructions for working on the ignition system
  • 12 00.. Notes/information on start assistance (jump starting)
• Spark Plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (N54)
• Ignition Coils
  • 12 13 Carrying out engine cleaning (N54)
  • 12 13 511 Replacing ignition coils (N54)
• Electronic Switching Or Control Units
  • 12 14 700 Encoding the control unit (DME)
  • 12 14 705 Programming the control unit (DME)
  • 12 14 600 Removing/replacing knock sensors (N54)
  • 12 14 550 Replacing control unit (DME) (N54)
  • 12 14 521 Replacing crankshaft pulse generator (N54)
  • 12 14 524 Replacing pulse generator on exhaust camshaft (N54)
  • 12 14 523 Replacing pulse generator on inlet camshaft (N54)
  • 12 14 650 Replacing suction pressure sensor on intake air manifold (N54)
• Alternator
  • 12 31 020 Removing and installing or replacing alternator (N54)
• Starter
  • (11 00.. Handling components after flood damage)
  • 12 41 020 Removing and installing/replacing starter motor (N54)
  • 12 41 041 Replacing the engagement solenoid switch
• Starter And Alternator Cables
  • 12 42 500 Replacing battery positive lead between starter, alternator and battery positive terminal (N54)
  • 12 42 540 Replacing safety battery terminal (SBK)
• Engine Wiring Harness
  • 12 51 001 Replacing wiring harness section for engine (N54)
  • 12 51 100 Replacing wiring harness section for ignition and injectors (N54)
• Oil Pressure Sensor, Oil Level Sensor
  • 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N54)
  • 12 61 280 Removing and installing/replacing oil pressure sensor (N54)
• Engine Control Unit Box
  • 12 90.. Removing and installing/replacing engine control unit box
  • 12 90.. Removing and installing/replacing engine control unit box add-on