Engine Electrical System -- Repair (G20) (1 Of 2)

• 12 00 Engine Electrical System
  • Instructions for removal and replacement of control units (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)
  • Notes on starting assistance (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)
• 12 12 Ignition Wire, Spark Plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (330i and 330i xDrive)
    • Removing all spark plugs
    • Installing all spark plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (330e PHEV and 330e xDrive PHEV)
    • Removing all spark plugs
    • Installing all spark plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (M340i and M340i xDrive)
    • Removing all spark plugs
    • Installing all spark plugs
• 12 13 Ignition Coil
  • 12 13 511 Replacing an ignition coil (after vehicle diagnosis) (330i and 330i xDrive)
    • Removing the ignition coil
    • Install ignition coil
  • 12 13 511 Replacing an ignition coil (after vehicle diagnosis) (330e PHEV and 330e xDrive PHEV)
    • Remove all ignition coils
    • Install all ignition coils
  • 12 13 511 Replacing an ignition coil (after vehicle diagnosis) (M340i and M340i xDrive)
    • Removing the ignition coil
    • Install ignition coil
• 12 14 Electronic Switching Or Control Units
  • 12 14 521 Replacing the crankshaft sensor (after vehicle diagnosis) (330i and 330i xDrive)
    • Removing the crankshaft sensor
    • Installing the crankshaft sensor
  • 12 14 523 Replacing the camshaft position sensor of the intake camshaft (after vehicle diagnosis) (330i and 330i xDrive)
    • Remove camshaft position sensor of intake camshaft
    • Install camshaft position sensor of intake camshaft
  • 12 14 524 Replacing the camshaft position sensor of the exhaust camshaft (after vehicle diagnosis) (330i and 330i xDrive)
    • Remove the camshaft position sensor of the exhaust camshaft
    • Install the camshaft position sensor of the exhaust camshaft
  • 12 14 550 Replacing the Digital Motor Electronics control unit (after vehicle diagnosis) (330i, 330i xDrive, M340i and M340i xDrive)
    • Removing the DME control unit
    • Installing the DME control unit
  • 12 14 602 Replacing knock sensor (following vehicle diagnosis) (cylinders 1+3) (330i and 330i xDrive)
    • Removing the knock sensors for cylinders 1 to 2
    • Installing the knock sensors for cylinders 1 to 2
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 3+4) (330i)
    • Remove the knock sensors for cylinders 3 to 4
    • Install the knock sensors for cylinders 3 to 4
  • 12 14 700 Coding the control unit (DME/DDE) (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)
  • 12 14 705 Programming the control unit (DME/DDE) (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 3+4) (330i xDrive)
    • Remove the knock sensors for cylinders 3 to 4
    • Install the knock sensors for cylinders 3 to 4
  • 12 14 521 Replacing the crankshaft sensor (after vehicle diagnosis) (330e PHEV and 330e xDrive PHEV)
    • Removing the crankshaft sensor
    • Installing the crankshaft sensor
  • 12 14 523 Replacing the camshaft position sensor of the intake camshaft (after vehicle diagnosis) (330e PHEV and 330e xDrive PHEV)
    • Remove camshaft position sensor of intake camshaft
    • Install camshaft position sensor of intake camshaft
  • 12 14 524 Replacing the camshaft position sensor of the exhaust camshaft (after vehicle diagnosis) (330e PHEV and 330e xDrive PHEV)
    • Remove the camshaft position sensor of the exhaust camshaft
    • Install the camshaft position sensor of the exhaust camshaft
  • 12 14 550 Replacing the Digital Motor Electronics control unit (after vehicle diagnosis) (330e PHEV and 330e xDrive PHEV)
    • Removing the DME control unit
    • Installing the DME control unit
  • 12 14 602 Replacing knock sensor (after vehicle diagnosis) (cylinders 1-2) (330e PHEV)
    • Removing the knock sensors for cylinders 1 to 2
    • Installing the knock sensors for cylinders 1 to 2
  • 12 14 604 Replacing knock sensor (after vehicle diagnosis) (cylinder 3-4) (330e PHEV)
    • Remove the knock sensors for cylinders 3 to 4
    • Install the knock sensors for cylinders 3 to 4
  • 12 14 602 Replacing knock sensor (following vehicle diagnosis) (cylinders 1+2) (330e xDrive PHEV)
    • Removing the knock sensors for cylinders 1 to 2
    • Installing the knock sensors for cylinders 1 to 2
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 3+4) (330e xDrive PHEV)
    • Remove the knock sensors for cylinders 3 to 4
    • Install the knock sensors for cylinders 3 to 4
  • 12 14 521 Replacing the crankshaft sensor (after vehicle diagnosis) (M340i and M340i xDrive)
    • Removing the crankshaft sensor
    • Installing the crankshaft sensor
  • 12 14 523 Replacing the camshaft position sensor of the intake camshaft (after vehicle diagnosis) (M340i and M340i xDrive)
    • Remove camshaft position sensor for the intake camshaft
    • Installing camshaft position sensor of intake camshaft
  • 12 14 524 Replacing the camshaft position sensor of the exhaust camshaft (after vehicle diagnosis) (M340i and M340i xDrive)
    • Remove the camshaft position sensor of the exhaust camshaft
    • Installing the camshaft position sensor of the exhaust camshaft
  • 12 14 602 Replacing knock sensor (following vehicle diagnosis) (cylinders 1+3) (M340i and M340i xDrive)
    • Removing the knock sensor of cylinders 1 to 3
    • Installing knock sensor of cylinders 1 to 3
  • 12 14 602 Replacing knock sensor (following vehicle diagnosis) (cylinders 1+3) (M340i 48V)
    • Removing the knock sensor of cylinders 1 to 3
    • Installing knock sensor of cylinders 1 to 3
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 4+6) (M340i)
    • Removing the knock sensor of cylinders 4 to 6
    • Installing the knock sensor of cylinders 4 to 6
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 4+6) (M340i 48V)
    • Removing the knock sensor of cylinders 4 to 6
    • Installing the knock sensor of cylinders 4 to 6
  • 12 14 602 Replacing knock sensor (following vehicle diagnosis) (cylinders 1+3) (M340i xDrive)
    • Removing the knock sensor of cylinders 1 to 3
    • Installing knock sensor of cylinders 1 to 3
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 3+4) (M340i xDrive)
    • Removing the knock sensor of cylinders 4 to 6
    • Installing the knock sensor of cylinders 4 to 6
  • 12 14 604 Replacing knock sensor (following vehicle diagnosis) (cylinders 3+4) (M340i xDrive 48V)
    • Removing the knock sensor of cylinders 4 to 6
    • Installing the knock sensor of cylinders 4 to 6
• 12 31 Alternator With Drive And Attachment
  • 12 31 020 Removing and installing/replacing alternator (330i and 330i xDrive)
    • Removing the alternator
    • Replacing the alternator
    • Installing the alternator
  • 12 31 020 Removing and installing/replacing alternator (M340i and M340i xDrive)
    • Removing the alternator
    • When replacing the alternator: Remounting the belt tensioner of the alternator
    • Installing the alternator
  • 12 31 022 Removing and installing starter motor generator (M340i)
    • Removing the starter motor generator
    • When replacing the starter motor generator: Remounting the belt tensioner of the starter motor generator
    • Installing the starter motor generator
  • 12 31 022 Removing and installing starter motor generator (M340i xDrive)
    • Removing the starter motor generator
    • When replacing the starter motor generator: Remounting the belt tensioner of the starter motor generator
    • Installing the starter motor generator
• 12 36 Control System, Hybrid Electric Drive
  • 12 36 610 Replace electrical machine electronics (after vehicle diagnosis) (330e PHEV and 330e xDrive PHEV)
    • Removing the electrical machine electronics
    • Remove the holder for the electrical machine electronics
    • Removing the positive battery cable
    • Installing the positive battery cable
    • Installing the holder for the electrical machine electronics
    • Installing the electrical machine electronics
• 12 41 Starter With Attachment
  • 12 41 020 Removing and installing/replacing starter motor (330i)
    • Removing starter motor
    • Replace starter
    • Installing starter motor
  • 12 41 041 Replacing the engagement solenoid switch (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)
  • 12 41 020 Removing and installing/replacing starter motor (330i xDrive)
    • Removing starter motor
    • Replace starter
    • Installing starter motor
  • 12 41 020 Removing and installing/replacing starter motor (330e PHEV)
    • Removing starter motor
    • Replace starter
    • Installing starter motor
  • 12 41 020 Removing and installing/replacing starter motor (330e xDrive PHEV)
    • Removing starter motor
    • Replace starter
    • Installing starter motor
  • 12 41 020 Removing and installing/replacing starter motor (M340i)
    • Removing starter motor
    • Replace starter
    • Installing starter motor
  • 12 41 020 Removing and installing/replacing starter motor (M340i xDrive)
    • Removing starter motor
    • Replace starter
    • Installing starter motor
• 12 42 Starter Line
  • 12 42 540 Replacing the safety battery terminal (SBK) (330i, 330i xDrive, 330e PHEV, 330e xDrive PHEV, M340i and M340i xDrive)
  • 12 42 651 Removing and installing/replacing the positive battery cable remote positive terminal alternator (after vehicle diagnosis) (330i and 330i xDrive)
    • Removing the positive battery cable from the alternator to the auxiliary terminal for jump starting
    • Install the positive battery cable from the alternator to the auxiliary terminal for jump starting
  • 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (330i)
    • Remove the positive battery cable from the starter to remote positive terminal
    • Install the positive battery cable from the starter motor to the auxiliary terminal for jump starting
  • 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (330i xDrive)
    • Remove the positive battery cable from the starter to remote positive terminal
    • Install the positive battery cable from the starter motor to the auxiliary terminal for jump starting
  • 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (330e PHEV)
    • Remove the positive battery cable from the starter to remote positive terminal
    • Install the positive battery cable from the starter motor to the auxiliary terminal for jump starting
  • 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (330e xDrive PHEV)
    • Remove the positive battery cable from the starter to remote positive terminal
    • Install the positive battery cable from the starter motor to the auxiliary terminal for jump starting
  • 12 42 651 Removing and installing/replacing the positive battery cable remote positive terminal alternator (after vehicle diagnosis) (M340i and M340i xDrive)
    • Removing the positive battery cable from the alternator to the auxiliary terminal for jump starting
    • Install the positive battery cable from the alternator to the auxiliary terminal for jump starting
  • 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (M340i)
    • Remove the positive battery cable from the starter to remote positive terminal
    • Install the positive battery cable from the starter motor to the auxiliary terminal for jump starting
  • 12 42 652 Removing and installing/replacing the positive battery cable remote positive terminal starter (after vehicle diagnosis) (M340i xDrive)
    • Remove the positive battery cable from the starter to remote positive terminal
    • Install the positive battery cable from the starter motor to the auxiliary terminal for jump starting