64 12 570 Replacing Auxiliary Water Pump For Independent/Auxiliary Heater

WARNING: This page is about a different car, the 2010 BMW X5, 2009 BMW X5, 2008 BMW X5, and 2007 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Scalding hazard!
Work on the cooling system may only be carried out when it has cooled down.

Recycling

Coolant emerges when coolant lines are detached. Have a suitable collecting container ready.

Catch and dispose of emerging coolant.

Observe country-specific waste-disposal regulations.

Necessary preliminary tasks:

Remove left floor assembly cover . See 51 47 ... REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT UNDERBODY PANELLING .

NOTE: Disconnect coolant hoses.

Disconnect coolant hoses (1) with special tool 13 3 010 and release associated hose clamps.

Release bolt (2).

Detach auxiliary water pump (3) and disconnect associated plug connection.

Tightening torque. See HEATING AND AIR CONDITIONING - TIGHTENING TORQUES .

Fig 1: Detaching Auxiliary Water Pump

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Fill and vent cooling system and check for leaks . See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS (N52K) .