Remove counterbalance shafts

Preliminary work 

• Refer to REMOVING THE OIL FILLER CAP
• Refer to DRAINING THE MOTOR OIL
• Refer to REMOVING ENGINE .
• Refer to INSTALLING THE ENGINE ON THE ASSEMBLY JIG .
• Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING INTAKE PLENUM .
• Refer to REMOVING IGNITION COILS .
• Refer to REMOVING THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
• Refer to REMOVING FUEL DELIVERY LINE .
• Refer to REMOVING HIGH PRESSURE PUMP .
• Refer to REMOVING BOTH ACTUATORS
• Refer to REMOVING THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER (AUXILIARY COOLANT PUMP REMOVED) .
• Refer to REMOVING THE COOLANT FEED LINE FOR THE EXHAUST TURBOCHARGER (COOLANT RETURN LINE REMOVED) .
• Refer to REMOVING FRONT ENGINE ENCAPSULATION .
• Refer to REMOVING THE CYLINDER HEAD COVER (ENGINE REMOVED) .
• 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 THE CHAIN TENSIONER (ENGINE REMOVED) .
• Refer to RELEASING THE VANOS CENTRAL VALVE .
• Refer to REMOVING INTAKE ADJUSTER .
• Refer to REMOVING EXHAUST CAMSHAFT ADJUSTER .
• Refer to DISASSEMBLING THE SPECIAL TOOL 2 358 122 .
• Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVING THE CYLINDER HEAD .
• Refer to REMOVING THE VIBRATION DAMPER .
• Refer to REMOVING FLYWHEEL .
• Refer to REMOVING OIL SUMP .
• Refer to REMOVING REAR TIMING CASE COVER .
• Refer to REMOVING THE OIL VACUUM PUMP .
• Refer to REMOVING THE OIL DEFLECTOR .

• Remove both sealing caps (1) with a suitable tool (2).

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• Rotate the crankshaft to the lower dead center of the first cylinder  .

  Mount the special tool 2 288 054  and abut the screws (1).

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  NOTE: The description is for one component only. The procedure is identical for all further components.
• Makes sure that the special tool 2 288 054  fits in the guides (1) of the counterbalance shafts (2) correctly.
• If necessary, slightly rotate the crankshaft.
• Tighten special tool 2 288 054  .

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Special tool 2 288 054 to crankshaft
  	tightening torque	20 Nm

• Loosen screws (1).

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• Loosen screws (1).
• Guide the special tool 2 288 054  out and remove.

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  NOTE: The description is for one component only. The procedure is identical for all further components.
• Screw the special tool 2 458 114  into the gear of the counterbalance shaft and counter support with an open-end wrench (1).

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  NOTE: The gears are pressed onto the counterbalance shaft with a taper and can only be released with the special tool 2 458 114  .
• Release the counterbalance shaft by screwing in the screw (2) of the special tool 2 458 114  from the gear.
• Carefully remove the counterbalance shafts (1) from the crankcase towards the front.

  The counterbalance shafts (1) must not be in the bearing positions, as this might damage the crankcase.

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• Check all needle bearings of the counterbalance shafts (1) for damage and replace if necessary.

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• Remove the gear (1).

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• Remove the gear (1).

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• Loosen nut (1).

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• Remove the gear (1).

Courtesy of BMW OF NORTH AMERICA, INC.