Engine Electrical System - Repair

• 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
    • Notes
    • Register battery replacement with BMW-configured scan tool
  • 12 00... Notes/information on start assistance (jump starting)
  • 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
  • (61 13... Notes for opening contacts and locks of different plug contact systems)
    • Notes
    • 61 13... Butt connector for repairing a plug connection
    • 61 13... Circular connector, 13- pin, system D2.5
    • 61 13... Circular connector, 20- pin, system D2.5
    • 61 13... Circular connector, 7- pin, 8-pin, system D2.5
    • 61 13... Circular plugs, 4-, 7-, 10- 12-, 25-pin, System D1.5/D2.5
    • 61 13... Connector housing, LCC contact (load current contact)
    • 61 13... Control unit plugs, 25-, 35-, 55-, 83-, 88-pin
    • 61 13... In-line connectors, 24-/44-pin, Hybrid System MQS/MPQ
    • 61 13... In-line connectors, 30- pin, Hybrid System MQS/MPQ
    • 61 13... In-line connectors, 30- pin, System D2.5
    • 61 13... In-line plugs, 2- pin, System JPT ELA
    • 61 13... In-line plugs, 2- pin, System MDK 3 plus 2.8
    • 61 13... In-line plugs, 20-pin, System D2.5
    • 61 13... In-line plugs, 4- pin, System DFK ELA
    • 61 13... In-line plugs, 6- to 50-pin, System Elo
    • 61 13... Inline connectors, 15- pin, System D2.5
    • 61 13... Inline connectors, 6-, 8-pin, System MQS
    • 61 13... Inline plugs, 2- pin, System MPQ 2.8
    • 61 13... Inline plugs, 3-, 6-pin, System Elo-Power 2.8
    • 61 13... Inline plugs, 4-, 10-pin, System Elo
    • 61 13... Inline plugs, 8-, 12-pin, System D2.5
    • 61 13... Socket housing (radio connector), Hybrid System MQS/MPQ
    • 61 13... Socket housing 42-, 43-, 46-pin, Hybrid System MQS/MPQ
    • 61 13... Socket housings, 2x21-, 2x27-pin, Hybrid Systems MQS/MPQ, Elo/Elo Power
    • 61 13... Socket housings, 5- pin, 8-pin, System MQS/MPQ
  • 61 00... Notes on handling wiring harnesses and cables
• Ignition Wires, Spark Plugs
  • 12 12 011 Remove and install/replace all spark plugs (N20)
  • 12 12 011 Removing and installing/replacing all spark plugs (N53, N54, N54T, N55, N63, S63)
• 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 14 602 Removing/replacing knock sensor (1st and 2nd cylinder) (N20)
  • 12 14 600 Removing/replacing knock sensor (3rd and 4th cylinders) (N20)
  • 12 14 600 Removing/replacing knock sensors (N55)
  • 12 14 524 Replace pulse sensor on exhaust camshaft (N54, N54T, N55)
  • 12 14 651 Replace the pressure sensor on the charge air duct (N54, N54T, N55)
  • 12 14 550 Replacing control unit (DME) (N20)
  • 12 14 550 Replacing control unit (DME) (N55)
  • 12 14 521 Replacing crankshaft pulse sensor (N20)
  • 12 14 521 Replacing crankshaft pulse sensor (N55)
  • 12 14 650 Replacing differential-pressure sensor on intake plenum (N55)
  • 12 14 524 Replacing pulse sensor on exhaust camshaft (N20)
  • 12 14 523 Replacing pulse sensor on intake camshaft (N20)
  • 12 14 650 Replacing suction pressure sensor on intake plenum (N20)
  • 12 14 650 Replacing suction pressure sensor on pressure pipe (N20)
• Alternator
  • 12 31 020 Removing and installing or replacing alternator (N20)
  • 12 31 020 Removing and installing or replacing alternator (N54, N54T, N55)
• Starter
  • 11 00... Handling components after flood damage
  • 12 41 020 Removing and installing/replacing starter motor (N20)
  • 12 41 020 Removing and installing/replacing starter motor (N54, N54T, N55)
  • 12 41 041 Replacing the engagement solenoid switch
• Starter And Alternator Cables
  • 12 42 500 Replacing positive battery cable between starter motor, alternator and positive battery connection point (N54 N54T 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 Harness
  • 12 51 235 Removing and installing/replacing wiring harness for engine sensor system module 1 (N20)
  • 12 51 240 Removing and installing/replacing engine sensor system module 2 wiring harness (N20)
  • 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)
  • 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 Sensor, Oil Temperature Sensor, Oil Level Sensor
  • 12 61 588 Removing and installing/renewing engine oil pressure/temperature sensor (N20)
  • 12 61 285 Removing and installing/renewing oil level sensor for engine oil (N20)
  • 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N52K, N55)