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).

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  TIGHTENING TORQUE SPECIFICATIONS
  
  

  Coolant pump to crankcase
  M6	tightening torque	10 Nm

• 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 LEFT-HAND CHARGE AIR COOLER .
• Refer to INSTALLING THE COOLANT EXPANSION TANK FOR THE LOW-TEMPERATURE COOLANT CIRCUIT (CHARGE AIR COOLER) .
• Refer to SEALING OFF COOLANT FOR LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to INSTALLING THE UNDERBODY PROTECTION OF THE STEERING GEAR OR THE FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to INSTALLING THE FRONT LEFT BOTTOM WHEEL ARCH COVER .
• Refer to INSTALLING THE FRONT BOTTOM RIGHT WHEEL ARCH COVER .
• Refer to INSTALLING FAN COWL .
• Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
• Refer to INSTALLING FRONT CROSS CONNECTION (FRONT-END STRUT REMOVED) .
• Refer to INSTALLING BOTH FRONT-END STRUTS .
• Refer to INSTALLING THE COVER OF THE ENGINE COMPARTMENT CENTER .
• Refer to FILLING THE LOW-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
• Refer to VENTING THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to FILLING AND VENTING THE HIGH-TEMPERATURE COOLANT CIRCUIT .