Housing Assembly HVAC: Service and Repair

64 11 540 Replacing distributor housing at top for heating and air-conditioning unit







Necessary preliminary tasks:
- Remove instrument panel trim







Release screws (1).

Installation note:
Replace screws.

Remove cable routing holder (2) from the working area.







NOTE: Heating and air-conditioning unit removed for purposes of clarity.

Unclip deflection arm (1) from angle positioning lever (2).

Installation note:
Deflection arm (1) must snap audibly into place.







Release screws (1).
Unlock and disconnect plug connections on upper distributor housing (2).
Remove upper distributor housing (2).

Installation note:
Make sure filter housing guide lugs (3) are correctly seated in associated guide tabs on upper distributor housing (2).







Replacement:
Servomotors must be readdressed in the event of replacement.
Addressing can only be carried out with the BMW diagnosis system.

Service functions:
- Body
- Heating and air conditioning function
- Flap motors
- Readdress flap motors