17 11 040 Removing and installing/replacing thermostat inserts (N63, N74)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.

Recycling:

Catch and dispose of drained coolant in a suitable container.

Transmission oil emerges when engine oil lines are detached from transmission oil cooler.

Catch and dispose of escaping transmission oil in a suitable container.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Drain COOLANT .
Remove FAN COWL .

Release and disconnect coolant hoses (1).

Unscrew nuts (2).

Tightening torque 17 10 4AZ .

Remove thermostat insert (3).

Installation note:

Clean contact surfaces.

Fig 1: Identifying Coolant Hoses, Thermostat Insert And Mounting Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check the oil level in the automatic transmission. If necessary, top up automatic transmission oil. See CHECKING/TOPPING UP TRANSMISSION OIL (GA6HP26Z/GA6HP32Z) - or - CHECKING/TOPPING UP TRANSMISSION OIL (GA8HP45Z, GA8HP70Z, GA8HP90Z) .