Installing coolant pumps

• Replace the seal (1).

  Parts:  Seal

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• Replace the sealing rings (1).

  Parts:  Sealing ring

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  NOTE: TECHNICAL INFORMATION 
  The sealing surfaces must be free of oil, grease and cleaning agents.
• Make sure the fitting sleeve is in the crankcase.
• Clean sealing surface.

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• Insert the coolant pump (1).
• Connect the connector (1) to the coolant pump (2) so that it audibly locks.

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• Position the coolant pump (1) on the crankcase.

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• Tighten the screw (1) (M6x90).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Coolant pump to crankcase
  M6	tightening torque	10 Nm

• Tighten the screw (2) (M6x70).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Coolant pump to crankcase
  M6	tightening torque	10 Nm

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• Tighten down screws (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Coolant pump to crankcase
  M6	tightening torque	10 Nm

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• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Coolant pump to crankcase
  M6	tightening torque	10 Nm

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• Pin up connector (1) and lock audibly.
• Connect and audibly lock coolant hose (2).
• Connect and audibly lock coolant hose (3).

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• Connect the coolant line (2) to the coolant pump.
• Tighten down screw (1).
  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Coolant line to cylinder head
  M6	tightening torque	8 Nm

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• Connect the coolant line (2) to the coolant pump.
• Tighten down screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING DRIVE BELT .
• Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE LEFT-HAND CHARGE AIR COOLER .
• Refer to CONNECTING THE LEFT CHARGE AIR LINE TO THE EXHAUST TURBOCHARGER .
• Refer to CONNECTING THE COOLANT HOSE TO THE AUXILIARY COOLANT PUMP .
• Refer to CONNECTING THE COOLANT HOSES TO THE HIGH-TEMPERATURE COOLANT RADIATOR .
• Refer to INSTALLING FRONT UNDERBODY PROTECTION .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING THE RIGHT AND LEFT UNFILTERED-AIR DUCT .
• Refer to INSTALLING BOTH INTAKE FILTER HOUSING .
• Refer to INSTALLING ACOUSTIC COVER .
• Refer to INSTALLING TENSION STRUT ON LEFT AND RIGHT SHOCK TOWER .
• Refer to INSTALLING UPPER CROSS CONNECTION .
• Refer to INSTALLING THE COVER IN THE ENGINE COMPARTMENT AT TOP LEFT AND RIGHT .