64 11 271 Replacing water valve for heater

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

M43TU, M52TU, M54, S54, N42 only:

Remove intake filter housing. See 13 71 000 REMOVE AND INSTALLING INTAKE FILTER HOUSING (M52TU, M54) or 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (S54)

M47 only:

Remove acoustic cover at front with intake snorkel.

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.

M47TU only:

Disconnect plug connections (1).

Release hose clamps (2) and detach water hoses.

Lift out water valve for heater (3).

Installation:

If necessary, replace rubber mount.

Fig 1: Releasing Hose Clamps
Courtesy of BMW OF NORTH AMERICA, INC.

All except M47TU:

Water valve for heater with auxiliary water pump:

Disconnect plug connections (1).

Release hose clamps (2) and detach water hoses.

Lift out water valve for heater (3).

Installation:

If necessary, replace rubber mount.

Fig 2: Lifting Out Water Valve For Heater
Courtesy of BMW OF NORTH AMERICA, INC.

Water valve for heater without auxiliary water pump:

Disconnect plug connection (1).

Release hose clamps (2) and detach water hoses.

Withdraw heater valve for heater (3) in direction of arrow from bracket (4).

Installation:

If necessary, replace rubber mount.

Fig 3: Disconnecting Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

All:

Installation:

Fill and vent cooling system.