Remove counterbalance shafts

Preliminary work 

• Refer to REMOVING THE OIL FILLER CAP .
• Refer to DRAINING THE MOTOR OIL
• Refer to REMOVING ENGINE .
• Refer to INSTALL THE ENGINE ON THE ASSEMBLY STAND
• Refer to REMOVING THE DRIVE BELT FOR COOLANT PUMP .
• Refer to REMOVE TANK VENT VALVE .
• Refer to REMOVE INTAKE PLENUM .
• Refer to REMOVE IGNITION COILS .
• Refer to REMOVE THE HIGH PRESSURE LINE BETWEEN THE HIGH PRESSURE PUMP AND THE RAIL .
• Refer to REMOVING INJECTORS .
• Refer to REMOVE FUEL DELIVERY LINE .
• Refer to REMOVE HIGH PRESSURE PUMP .
• Refer to REMOVE BOTH ACTUATORS (ENGINE REMOVED)
• Refer to REMOVING AUXILIARY COOLANT PUMP FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVE THE COOLANT RETURN LINE FOR THE EXHAUST TURBOCHARGER (AUXILIARY COOLANT PUMP REMOVED) .
• Refer to REMOVE THE COOLANT FEED LINE FOR THE EXHAUST TURBOCHARGER (COOLANT RETURN LINE REMOVED) .
• Refer to REMOVE FRONT ENGINE ENCAPSULATION .
• Refer to REMOVING THE CYLINDER HEAD COVER (ENGINE REMOVED)
• Refer to REMOVE THE ACOUSTIC COVER OF THE OIL SUMP .
• Refer to REMOVING THE THERMOSTAT FROM THE TRANSMISSION OIL LINES .
• Refer to TURNING THE ENGINE ON THE VIBRATION DAMPER
• Refer to BLOCK THE CRANKSHAFT IN HE TDC FIRING POSITION OF CYLINDER 1 .
• Refer to BLOCKING THE CAMSHAFTS
• Refer to REMOVE THE CHAIN TENSIONER (ENGINE REMOVED) .
• Refer to RELEASING THE VANOS CENTRAL VALVE .
• Refer to REMOVING INTAKE ADJUSTER .
• Refer to REMOVE EXHAUST CAMSHAFT ADJUSTER .
• Refer to DISASSEMBLING THE SPECIAL TOOL 2358 122 .
• Refer to REMOVE THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .
• Refer to REMOVE CYLINDER HEAD .
• Refer to REMOVING THE VIBRATION DAMPER .
• Refer to REMOVING FLYWHEEL .
• Refer to REMOVE OIL SUMP .
• Refer to REMOVE REAR TIMING CASE COVER .
• Refer to REMOVE THE OIL VACUUM PUMP (530e 2018-2020) , or REMOVE THE OIL VACUUM PUMP (530e xDrive 2018-2020) .
• 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 2288 054  and abut the bolts (1).

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  NOTE: The description is for one component only. The procedure is identical for all further components.
• Make sure the special tool 2288 054  is correctly fitted in the guides (1) of the counterbalance shafts (2).
• If necessary, turn the crankshaft slightly.
• Tighten special tool 2288 054. 

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  TIGHTENING TORQUES SPECIFICATION
  
  

  Special tool 2288 054 to crankshaft
  	Tightening torque	20 Nm

• Loosen screws (1).

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• Loosen screws (1).
• Guide the special tool 2288 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 2458 114  into the gear of the counterbalance shaft and hold it up with an open-end spanner (1).
  NOTE: The gears are pressed onto the counterbalance shaft with a taper and can only be released with the special tool 2458114. 
• Release the counterbalance shaft by screwing in the screw (2) of the special tool 2458 114  from the gear.
• Carefully remove the counterbalance shafts (1) from the crankcase towards the front.

  Do not drop the counterbalance shafts (1) into the bearing positions because this may damage the crankcase.

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

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