11 51 000 Removing and installing/replacing 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.

Necessary preliminary tasks:

Remove FAN COWL WITH ELECTRONIC FAN .
Remove RADIATOR .
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 Belt Pulley And Screw

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: Inserting M6 Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Vent COOLING SYSTEM and check for leaks.