11 51 000 Removing and installing/replacing water pump

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Danger of scalding!

Only perform these tasks on an engine that has cooled down.

Recycling:

Catch and dispose of drained coolant in a suitable container.

Observe country-specific waste-disposal regulations.

IMPORTANT:

Aluminum screws/bolts must be replaced each time they are released .

Aluminium screws/bolts are permitted with and without color coding (blue).

For reliable identification:

Aluminium screws/bolts are not magnetic .

Jointing torque and angle of rotation must be observed without fail (risk of damage).

Necessary preliminary tasks:

Partially release anti-roll bar (all-wheel drive only)
Drain COOLANT
Remove COOLANT THERMOSTAT .

Disconnect coolant hose (1).

Disconnect plug connection (4).

Release screws (5).

Installation note:

Replace aluminum screws.

Tightening torque: 11 51 1AZ .

Installation note:

If a coolant pump is reused, it must be mechanically rotated once (breakaway torque at pump gears).

One coolant pump rotation will be sufficient.

Fig 1: Identifying Plug Connection & Water Hose

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

BLEEDING INSTRUCTIONS must be observed without fail.