17 11 040 Removing and Installing/Replacing Thermostat Insert For Transmission Oil Cooling (M54)

17 11 040 Removing and installing/replacing thermostat insert for transmission oil cooling (M54)

Warning: Danger of scalding - this task may only be carried out once engine has cooled down.

Remove coolant expansion tank.

Note: :
For purposes of clarity, this work step is shown on a removed expansion tank/mounting plate.





Pull coolant expansion tank (1) upwards out of mounting plate (3).
Pull thermostat insert (2) upwards out of connection piece.

Installation:
Check O-rings, replace if necessary.

Pay attention to turning lock when installing thermostat insert (2).