Special tools required:
WARNING: Danger of injury! Refrigerant circuit is under high pressure! Avoid contact with refrigerant and refrigerant oil.
Read and comply with safety instructions:
IMPORTANT: Risk of damage! Restart engine only when A/C system has been correctly filled.
Follow NOTES for opening and replacing parts in refrigerant circuit.
NOTE: If air conditioning system is opened for more than 24 hours:
Necessary preliminary tasks:
Release screws (1).
Detach refrigerant lines (2) from expansion valve (3).
Installation note:
Replace sealing rings.
Use special tool 00 9 030 to install sealing rings without damaging them.
Release screws (1).
Remove expansion valve (2) from retaining clip.
Installation note:
Place expansion valve (1) exactly on refrigerant lines (2) and (3).
Fit screws of expansion valve (1) and make sure retaining clip (4) is correctly positioned.
After installation:
BMW X3 Service & Repair Manual > Heater with operation: Removing and installing/replacing servodrive for defrosting flap (right)
Necessary preliminary work:
Remove SUPPORT FOR DASHBOARD
Release screws (1).
Remove actuator drive (2).
Release plug connection (3) and disconnect.
IMPORTANT:
Servomotors must be readdressed in the event of replacement!
Addressing can only be carried out with the BMW diagnosis ...