64 11 262 Removing And Installing/Replacing Auxiliary Water Pump

WARNING: This page is about a different car, the 2010 BMW 135i, 2009 BMW 135i, and 2008 BMW 135i. 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.

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.

NOTE: Figures show a vehicle with an M47T2 engine.

Unfasten plug connection (1) and disconnect.

Release hose clamps (2) and detach coolant hoses (3) from auxiliary water pump (4).

Fig 1: Identifying Hose Clamps & Coolant Hoses

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Follow INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .

Fill and vent cooling system. See VENTING COOLING SYSTEM AND CHECKING FOR WATER LEAKS .

Pull auxiliary water pump (4) in direction of arrow out of front engine bracket (5).

Installation:

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

Fig 2: Identifying Auxiliary Water Pump & Rubber Mounts

Courtesy of BMW OF NORTH AMERICA, INC.