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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 51 000 Removing and installing/replacing the coolant pump (AWD with 6-cyl. engine) (M440i xDrive coupe/convertible/Gran Coupe sedan) >> Prepare the coolant pump and the coolant pump housing

Prepare the coolant pump and the coolant pump housing

NOTE: RISK OF DAMAGE 
Damage to the surface. 
The use of metal-cutting tools (e.g., emery cloths) for cleaning surfaces can damage them and lead to leaks and/or engine damage. 
  • Do not use any metal-cutting tools.
NOTE: TECHNICAL INFORMATION 
The sealing surfaces must be free of oil, grease and cleaning agents.