Removing crankshaft

Preliminary work 

• Refer to REMOVING THE ENGINE FROM THE FRONT AXLE .
• Refer to REPLACING THE LAMBDA OXYGEN SENSOR
• Refer to REPLACING THE OXYGEN MONITOR SENSOR
• Refer to REMOVING CATALYTIC CONVERTER .
• Refer to PREPARE THE ASSEMBLY JIG .
• Refer to INSTALLING THE ENGINE ON THE ASSEMBLY JIG
• Refer to REMOVE BEARING BRACKET .
• Refer to REMOVE FRONT AXLE DIFFERENTIAL .
• Refer to DRAINING THE MOTOR OIL .
• Refer to REMOVE BOTTOM CLEAN AIR PIPE .
• Refer to REMOVE CHARGE AIR LINE
• Refer to REMOVE TANK VENT VALVE .
• Refer to REMOVING THE INTAKE PLENUM .
• Refer to REMOVE BOTH ACTUATORS (ENGINE REMOVED)
• Refer to REMOVE IGNITION COILS .
• Refer to REMOVE THE HIGH PRESSURE LINE BETWEEN THE RAIL AND THE HIGH PRESSURE PUMP .
• Refer to REMOVE HIGH PRESSURE PUMP .
• Refer to REMOVE THE INJECTORS FOR CYLINDERS 1 TO 3 .
• Refer to REMOVE THE INJECTORS FOR CYLINDERS 4 TO 6 .
• Refer to REMOVING THE CYLINDER HEAD COVER .
• Refer to DETACH OIL SUPPLY LINE FROM THE ENGINE BLOCK .
• Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVING THE EXHAUST TURBOCHARGER SUPPORT .
• Refer to REMOVING STARTER MOTOR .
• Refer to TURNING THE ENGINE ON THE VIBRATION DAMPER
• Refer to BLOCKING THE CRANKSHAFT IN THE TDC FIRING POSITION OF THE FIRST CYLINDER (AUTOMATIC TRANSMISSION) .
• Refer to BLOCKING THE CAMSHAFTS .
• Refer to REMOVING CHAIN TENSIONER .
• Refer to RELEASING THE VANOS CENTRAL VALVE .
• Refer to REMOVING INTAKE ADJUSTER .
• Refer to REMOVE EXHAUST CAMSHAFT ADJUSTER .
• Refer to DISASSEMBLING THE SPECIAL TOOL 2 358 122 .
• Refer to REMOVING THE AUXILIARY COOLANT PUMP .
• Refer to REMOVING THE FRONT SECTION OF THE COOLANT RETURN LINE .
• Refer to REMOVE THE REAR SECTION OF THE COOLANT RETURN LINE (FRONT SECTION IS REMOVED) .
• Refer to REMOVE THE COOLANT FEED LINE (COOLANT RETURN LINE IS REMOVED) .
• Refer to REMOVE CYLINDER HEAD .
• Refer to REMOVING THE CYLINDER HEAD GASKET .
• Refer to SEAL THE OIL DUCT .
• Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
• Refer to REMOVING THE VIBRATION DAMPER .
• Refer to REMOVING FLYWHEEL .
• Refer to REMOVING THE MAGNET WHEEL .
• Refer to REMOVE OIL SUMP .
• Refer to REMOVE THE OIL VACUUM PUMP .
• Refer to REMOVE REAR TIMING CASE COVER .
• Refer to REMOVE TIMING CHAINS .
• Refer to REMOVING THE OIL DEFLECTOR
• Refer to REMOVING ALL PISTONS WITH CONNECTING ROD .

• Observe the assignment and numbering (1) to (7) of the main bearing caps.

  (1) = Engine, front (vibration damper)

  (7) = Clutch side

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: TECHNICAL INFORMATION 
  The crankshaft bearing cap, main bearing shell and guide bearing shell are aligned with each other.
  Always install the crankshaft bearing cap, main bearing shells and guide bearing shells in the cylinder from which they were removed.
  Fig 1: Main Bearing Caps Bolts Loosening Sequence

  Courtesy of BMW OF NORTH AMERICA, INC.
• Loosen screws in the order (14) to (1).
• Place the main bearing cap neatly into the special tool 0 495 105 (11 4 480). 
  CAUTION: Heavy component.
  Heavy components can lead to injury or damage.

  • Remove and install heavy components with the aid of another person/other persons.
• Remove the crankshaft (1).

Courtesy of BMW OF NORTH AMERICA, INC.