Engine Electrical System - Repair - B36 & B38 Engines -- Cooper, F55 & F56

• Safety And General Information
  • (00 Safety information for working on vehicles with automatic engine start-stop function (MSA))
  • Handling components after flood damage
  • Instructions for removal and replacement of control units
• Spark Plugs
  • 12 12 011 Remove and install or replace all spark plugs (B36, B38, B46, B48)
• Ignition Coils
  • 12 13 511 Replace ignition coils (B36, B38, B46, B48)
• Engine Control Unit, Sensors
  • 12 14 521 Replacing crankshaft pulse sensor (B36, B38, B46, B48)
  • 12 14 523 Replacing pulse sensor on intake camshaft (B36, B38)
  • 12 14 524 Replace pulse sensor on exhaust camshaft (B36, B38)
  • 12 14 550 Replacing control unit (DME)
  • 12 14 600 Replacing the knock sensor (B36, B38)
  • 12 14 705 Programming the control unit (DME)
• Alternator
  • 12 31 020 Removing and installing or replacing alternator (B36, B38)
• Starter Motor
  • 12 41 020 Removing and installing/replacing starter motor
  • 12 41 041 Replacing the engagement solenoid switch
• Starter Cable
  • 12 42 500 Replacing positive battery cable from vehicle battery to starter motor (B38)
• Engine Wiring Harness
  • 12 51 210 Replacing wiring harness section for injectors and ignition coils (B38)
  • 12 51 215 Replacing wiring harness section for Valvetronic servomotor (B38)
  • 12 51 235 Replacing the engine sensor system module 1 wiring harness section (B36, B38)
  • 12 51 240 Replacing the engine sensor system module 2 wiring harness section (B36, B38)
• Oil Pressure Switch, Oil Level Sensor
  • 12 61 280 Removing and installing/replacing the oil pressure switch (B36, B38, B46, B48)
  • 12 61 285 Removing and installing/replacing oil level sensor for engine oil
• Power Distribution Box
  • 12 63 586 Replacing power distribution box