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Home >> BMW >> 2021 >> X3 sDrive30i >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Oil Cooler, Water Pump, Thermostat, Coolant Lines -- Repair (G01) >> 11 51 Coolant Pump With Drive >> 11 51 028 Removing and installing/replacing auxiliary water pump for exhaust turbocharger (X3 xDrive 30e PHEV) >> Installing the auxiliary coolant pump for the exhaust turbocharger

Installing the auxiliary coolant pump for the exhaust 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.
TIGHTENING TORQUES SPECIFICATION

Auxiliary coolant pump holder to cylinder head 
M6 Tightening torque  8 Nm
G14192163Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work