11 51 000 Removing and installing/replacing water pump (S65)

WARNING: This page is about a different car, the 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.

Necessary preliminary tasks:

Remove fan cowl with electronic fan. See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (S65) .
Remove radiator. See 17 11 000 REMOVING AND INSTALLING RADIATOR (N51, S65) .
Remove A/C compressor drive belt.
Remove upper idler pulley for A/C compressor.

Release screw (1).

Remove alternator drive belt .

Remove belt pulley (2).

Fig 1: Identifying Alternator Drive Belt Screws And Belt Pulley

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

To facilitate removal of the coolant pump, it is possible to insert M6 screws on left and right (see arrows).

Installation:

Replace all sealing rings.

Fig 2: Locating M6 Screws On Left And Right

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Vent cooling system and check for leaks.