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

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks

Remove INSTRUMENT PANEL TRIM .

Release screws (1).

Installation note:

Replace screws.

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

Fig 1: Identifying Cable Guide Holder And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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!

Fig 2: Identifying Deflection Arm

Courtesy of BMW OF NORTH AMERICA, INC.

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).

Fig 3: Identifying Upper Distributor Housing And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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