64 11 262 Removing and installing/replacing auxiliary water pump

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

17 2 050

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

Recycling:

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

Catch and dispose of emerging coolant.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Remove FRONT WHEEL ARCH COVER
Disconnect COOLANT HOSES

Unlock spring clamps (1) with special tool 17 2 050 .

Pull off coolant hoses (2) from auxiliary water pump (3).

Unlock associated plug connection and disconnect.

Pull off auxiliary water pump (3) from bracket (4).

Installation note:

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

Fig 1: Identifying Auxiliary Water Pump, Coolant Hoses, Bracket And Spring Clamps

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

FILL COOLING SYSTEM
IMPORTANT: Filling and bleeding must not be performed in ECO-PRO MODE!
CHECK COOLING SYSTEM FOR LEAKS