Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 BMW 328xi, 2012 BMW 328i, 2011 BMW 328xi, 2011 BMW 328i, and 2010 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove FRONT UNDERBODY PROTECTION
Release ANTI-ROLL BAR ON FRONT AXLE(E89 only)
Remove FAN COWL(only E89, E70)

Fig 1: Identifying Screws On Front Axle Support

G06904422

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Illustration shows coolant thermostat removed.

Disconnect coolant hoses (arrows) on the thermostat (1) with clamping tongs.

Fig 2: Locating Coolant Hoses On Thermostat

G06904423

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For a better overview, the picture and text refer to the component when removed.

Unfasten hose clamp (1).

Tightening torque 11 53 5AZ .

Remove coolant hose.

Unfasten hose clamp (2).

Tightening torque 11 53 6AZ .

Remove coolant hose.

Fig 3: Identifying Coolant Thermostat, Hose Clamps, Coolant Hoses And Screws

G04751267

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and detach coolant hose (3).

Unlock and detach coolant hose (4).

Disconnect plug connection (5).

Release screws (6).

Tightening torque 11 53 1AZ .

Remove coolant thermostat (7).

Assemble engine.

FILL THE COOLING SYSTEM .

CHECK THE COOLING SYSTEM FOR TIGHTNESS AND FUNCTION.