11 51 000 Removing and installing or replacing water pump (M47TU/M47TU2/M57TU/M57T2)

IMPORTANT: When working on the oil, coolant or fuel circuit, you must protect the alternator against contamination.
Cover alternator with suitable materials.

Necessary preliminary tasks:

REMOVE AND INSTALL COOLANT THERMOSTAT .

Release screws (1).

Remove water pump (2).

Fig 1: Identifying Water Pump And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

During the following work steps, the sealing face on the crankcase must not be damaged

Cut connecting links (1) on gasket (2) accordingly.

Fig 2: Identifying Connecting Links On Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not damage sealing surface.

Cut through connecting links (1) of gasket (2) with a small cross-cut chisel (3).

Remove gasket.

Clean sealing surface.

Installation

Prior to installation, first position new gasket on sealing face of crankcase and check for correct seating.

Fig 3: Cutting Connecting Links Of Gasket Using Small Cross-Cut Chisel

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Vent cooling system. See VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS