11 51 000 Removing and Installing/Replacing Coolant Pump (N63O1)

WARNING: Risk of Scalding!
Only Perform Repair Work After Engine Has Cooled Down.

Recycling

Catch and Dispose of Drained Coolant In A Suitable Collecting Vessel.

Observe Country-Specific Waste Disposal Regulations.

IMPORTANT: If A Coolant Pump Which Has Already Been Operated Is Reused, It Must Be Filled Immediately After Being Removed with Coolant (Mixture Ratio 1:1/Water: Coolant).

Installation Note:

All Screws, Nuts, Bolts and Hose Clamps Removed During The Repair Must Be Replaced.
Retaining Elements On Chassis and Suspension and Steering Parts Must Be Replaced.

Necessary Preliminary Tasks:

Drain COOLANT .
Remove DRIVE BELT .

Unlock and Detach Plug Connections (1).

Unlock and Detach All Coolant Hoses On Coolant Pump.

Remove Coolant Feed Pipe.

Tightening torque: 11 51 4AZ .

Unfasten Screws (2).

Tightening torque 11 51 1AZ .

Lift Out Coolant Pump with A Swivelling Movement.

Installation Note:

Replace Seal.

Fig 1: Identifying Plug Connections and Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Graphic Shows Engine N63.

NOTE: Remove Coolant Thermostat From Faulty Coolant Pump.
Convert Coolant Thermostat To New Coolant Pump.
Tightening torque 11 53 1AZ .

Assemble Engine.

Vent COOLING SYSTEM and Check for Water Leaks.