BMW 7 Series: Replacing Actuator Drive For Fresh Air/Ram Air

Necessary preliminary work

• REMOVE AUXILIARY ELECTRONICS BOX

Unlock plug connection (1) on AUC sensor and disconnect.

Fig. 46: Identifying Plug Connection On AUC Sensor

Release screws (1) on blower housing cover (2).

Lift out blower housing cover.

Fig. 47: Identifying Blower Housing Cover Screws

Release screws (1).

Remove actuator drive (2).

Unlock plug connection (3) and disconnect.

Fig. 48: Identifying Actuator Drive, Plug Connection And Screws

Replacement

Servomotors must be re-addressed 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
• Re-address flap motors

REPLACING ACTUATOR DRIVE FOR LEFT BLENDING FLAP

Necessary preliminary tasks

• Remove INSTRUMENT PANEL TRIM

Position of actuator drive:

OVERVIEW OF ACTUATOR DRIVES ON HEATER/AIR CONDITIONER

Release screws (1) and remove grounding cable.

Installation: Replace screws (1).

Take off holder (2).

Fig. 49: Identifying Holder And Screws

Unclip connector piece (1) and slide downwards.

Installation: Latching of connector piece (1) must be felt.

Fig. 50: Unclipping Connector Piece

Release screws (1).

Feed out left footwell air outlet duct (2).

Fig. 51: Identifying Left Footwell Air Outlet Duct And Screws

Unclip deflection arm (1) from deflector (5).

Release screws (4).

Remove actuator drive (2) and unlock and disconnect plug connection (3).

Fig. 52: Identifying Actuator Drive, Plug Connection, Deflection Arm And Screws

Replacement

Servomotors must be re-addressed in the event of replacement! Addressing can only be carried out with the BMW diagnosis system.

Service functions:

• Body
• Heating and A/C function
• Flap motors
• Re-address flap motors

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