64 11 271 Replacing water valve for heater

M52, M54 only: 

Remove intake filter housing. See 13 71 000 REMOVING AND INSTALLING SUCTION-FILTER HOUSING (M60, M62)

Water valve (Duo) with auxiliary water pump: 

Unlock plug connections (1) and disconnect.

Release hose clamps (2) and detach hoses.

Pull water valve for heater (3) in direction of arrow out of rubber mounts.

Fig 1: Removing Heater Water Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Ensure guides (1) and (2) are correctly seated.

If necessary, replace rubber mount.

Fig 2: Identifying Proper Guide Seating

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Water valve (Duo) without auxiliary water pump: 

Unlock plug connection (1) and disconnect.

Release hose clamps (2) and detach hoses.

Pull water valve for heater (3) in direction of arrow out of rubber mounts.

Fig 3: Removing Heater Water Valve (Without Auxiliary Water Pump - Duo)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Ensure guides (1) and (2) are correctly seated.

If necessary, replace rubber mount.

Fig 4: Identifying Proper Guide Seating (Without Auxiliary Water Pump - Duo)

Courtesy of BMW OF NORTH AMERICA, INC.

Water valve (Mono) without auxiliary water pump: 

Unlock plug connection (1) and disconnect.

Release hose clamps (2) and detach hoses.

Pull water valve for heater (3) in direction of arrow out of rubber mounts.

Fig 5: Removing Heater Water Valve (Without Auxiliary Water Pump - Mono)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Ensure guides (1) and (2) are correctly seated.

If necessary, replace rubber mount.

Fig 6: Identifying Proper Guide Seating (Without Auxiliary Water Pump - Mono)

Courtesy of BMW OF NORTH AMERICA, INC.

All: