11 51 000 Removing And Installing / Replacing Water Pump (S85)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW M5, 2009 BMW M6, 2009 BMW M5, and 2008 BMW M6. 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 (M5) or 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (M6) .
Remove radiator. See REMOVING RADIATOR COVER (M5) or 17 11 000 REMOVING AND INSTALLING RADIATOR (M6) .
Remove A/C compressor drive belt .
Remove alternator drive belt .
Remove belt tensioner for A/C compressor.

Release screw (1).

Remove idler pulley (2).

Release screws (4).

Remove belt pulley (3).

Fig 1: Identifying Idler Pulley And Belt Pulley

G04741901

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) of VANOS high-pressure line.

Fig 2: Identifying Screw Of VANOS High-Pressure Line

G04741555

Courtesy of BMW OF NORTH AMERICA, INC.

Release banjo bolt (1).

Installation:

Replace all sealing rings.

Tightening torque 11 36 5AZ. See ENGINE - TIGHTENING TORQUES .

Release screws (2).

Fig 3: Identifying Banjo Bolt And Screws

G04741766

Courtesy of BMW OF NORTH AMERICA, INC.

Pull bracket (1) with VANOS high-pressure line upwards until coolant pump (3) is freely accessible.

Insert bolts (2) of coolant pump (3).

Screw in bolts (2) uniformly in 1/2 turns.

Remove coolant pump (3) towards front.

Fig 4: Identifying Bracket And Coolant Pump

G04741904

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Vent cooling system and check for leaks.