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Home >> BMW >> 2021 >> M440i xDrive >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Water Pump -- Repair (G22, G23 & G26) >> 11 51 Water Pump >> 11 51 028 Removing and installing/replacing auxiliary water pump for turbocharger (AWD with 6-cyl. engine) (M440i xDrive coupe/convertible/Gran Coupe sedan) >> Installing auxiliary coolant pump for the turbocharger

Installing auxiliary coolant pump for the turbocharger

NOTE: RISK OF DAMAGE 
Non-visible damage to the coolant pump. 
Forcibly removing, installing or dropping the coolant pump down will damage it. 
  • Remove and install the coolant pump without damaging it and without applying external force.
  • Avoid impacts/knocks to the coolant pump (e.g. by tools, falling down, hard contact with base).
  • Replace coolant pump after being dropped or hard impacts/knocks.
NOTE: TECHNICAL INFORMATION 
Make sure that the connections are locked correctly. The locks must engage audibly.

Follow-up work