64 11 262 Removing and installing/replacing auxiliary water pump (S65)

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Danger of scalding!
Only perform this work after engine has cooled down.
Follow INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .

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 SUCTION FILTER HOUSING

Disconnect plug connection (1) and remove auxiliary water pump (2) towards top.

Fig 1: Identifying Plug Connection And Water Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Observe direction of flow.

Mark position of water hoses (1) prior to removal.

Fig 2: Identifying Water Hoses And Water Pump

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect water hoses (1) and remove auxiliary water pump (2).

Installation:

Install auxiliary water pump (1) in front engine bracket so that rubber mounts (2) slide exactly in associated locators (3).

Fig 3: Identifying Water Pump Of Front Engine Bracket, Rubber Mounts And Locators

Courtesy of BMW OF NORTH AMERICA, INC.

After installation

Fill and vent cooling system and check for leaks See 1700005 DRAINING AND ADDING COOLANT (S65) ; 1700039 VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS (S65) or 1700009 CHECKING COOLING SYSTEM FOR LEAKS (S65)