Engine Electrical System - Repair

• Safety And General Information
  • 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
  • 61 20... Battery replacement information
  • 61 13... Butt connector for repairing a plug connection
  • 12 00 Contents of Engine Electrical System General
  • 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
  • 61 00... Notes for disconnecting and connecting battery
  • 61 13... Notes for opening contacts and locks of different plug contact systems
  • 61 00... Notes on handling wiring harnesses and cables
  • 12 00... Notes/information on start assistance (jump starting)
• Ignition Wires, Spark Plugs
  • 12 12 011 Removing and installing/renewing all spark plugs (N20, N26)
  • 12 12 011 Removing and installing/renewing all spark plugs (N55)
• Ignition Coil
  • 12 13 011 Replacing ignition coils (N20)
  • 12 13 511 Replacing ignition coils (N55)
• Electronic Switching Or Control Units
  • 12 14 700 Encoding the control unit (DME/DDE)
  • 12 14 705 Programming the control unit (DME/DDE)
  • 12 14 602 Removing/replacing knock sensor (1st and 2nd cylinder) (N20, N26)
  • 12 14 600 Removing/replacing knock sensor (3rd and 4th cylinder) (N20, N26)
  • 12 14 600 Removing/replacing knock sensors (N55)
  • 12 14 550 Replacing control unit (DME) (N20, N26)
  • 12 14 550 Replacing control unit (DME) (N55)
  • 12 14 521 Replacing crankshaft pulse sensor (N20, N26)
  • 12 14 521 Replacing crankshaft pulse sensor (N55)
  • 12 14 524 Replacing pulse sensor on exhaust camshaft (N20)
  • 12 14 524 Replacing pulse sensor on exhaust camshaft (N55)
  • 12 14 523 Replacing pulse sensor on intake camshaft (N20)
  • 12 14 523 Replacing pulse sensor on intake camshaft (N55)
  • 12 14 650 Replacing suction pressure sensor on intake plenum (N20, N26)
  • 12 14 650 Replacing suction pressure sensor on intake plenum (N55)
  • 12 14 650 Replacing suction pressure sensor on pressure pipe (N20, N26)
• Alternator With Drive And Mounting
  • 12 31 020 Removing and installing or replacing alternator (N20, N26)
  • 12 31 020 Removing and installing or replacing alternator (N55)
• Starter With Mounting
  • 12 41 020 Removing and installing/replacing starter motor (N20, N26)
  • 12 41 020 Removing and installing/replacing starter motor (N55)
  • 12 41 041 Replacing the engagement solenoid switch
• Starter Lead
  • 12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N55)
  • 12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N20)
  • 12 42 540 Replacing safety battery terminal (SBK)
• Engine Wiring Loom
  • 12 51 240 Removing and installing/replacing engine sensor system module 2 wiring harness (N20)
  • 12 51 235 Removing and installing/replacing engine sensor system wiring harness module 1 (N20, N26)
  • 12 51 245 Replacing the wiring harness section for the engine transmission module (N20)
  • 12 51 215 Replacing wiring harness section for Valvetronic servomotor (N20, N26)
  • 12 51 235 Replacing wiring harness section for engine (N20)
  • 12 51 001 Replacing wiring harness section for engine (N55)
  • 12 51 210 Replacing wiring harness section for ignition and injectors (N20)
  • 12 51 100 Replacing wiring harness section for ignition and injectors (N55)
• Oil Pressure/Oil Temperature/Oil Gauge
  • 12 61 285 Removing and installing/renewing oil level sensor for engine oil (N55)
  • 12 61 588 Removing and installing/replacing engine oil pressure/temperature sensor (N20, N26)
  • 12 61 280 Removing and installing/replacing oil pressure sensor (N55)
• Switches And Relays
  • 12 63 586 Replacing power distribution module (N20, N52T, N55)