64 11 262 Removing and installing / replacing auxiliary water pump

WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Follow INSTRUCTIONS FOR WORKING ON COOLING SYSTEM .

M54 only:

Remove intake filter housing. See 13 71 000 REMOVING AND INSTALLING INTAKE FILTER HOUSING (M54)

M62 only:

Detach expansion tank, supply tank for power steering pump and main flow oil filter housing (disconnect plug connection at level switch) in each case unopened from equipment carrier.

Release screws (1) and remove equipment carrier (2).

Fig 1: Identifying Equipment Carrier And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

All:

WARNING:

Danger of scalding!

Only perform this work after engine has cooled down.

If necessary, remove bellows (1).

Unfasten plug connection (2) and disconnect.

Withdraw auxiliary water pump (3) in direction of arrow from bracket (4).

Open quick-release couplings and detach water hoses (5) from auxiliary water pump (3).

Installation:

Ensure auxiliary water pump (3) is correctly seated in bracket (4).

Fill and vent cooling system. See VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (M54/M56) .

Fig 2: Identifying Auxiliary Water Pump, Bracket, And Water Hoses

Courtesy of BMW OF NORTH AMERICA, INC.