64 11 865 (N52T, N55) Replacing actuator drive of recirculated air flap

Necessary preliminary tasks: 

• Remove RIGHT/REAR SUSPENSION CROSS-BRACE

Unlock and disconnect all plug connections.

Unlatch connector housing (1 and 2) from guide of auxiliary E-box (3).

Fig 1: Locating Auxiliary E-Box Connector Housing

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Release screw (1).

Carefully unlock retaining hook (2) while lifting E -box3) and simultaneously pulling forward

Installation note: 

Ensure guide lug (2) sit correctly in the respective recesses of the fan housing.

Fig 2: Identifying Guide Lug, Retaining Hook, Screw

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Unlock plug connection (1) on AUC sensor (2) and disconnect.

Fig 3: Identifying AUC Sensor Plug Connection

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

Lift out blower housing cover.

Fig 4: Identifying Blower Housing Cover Screws

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Release screws (1).

Unclip relay lever (2) with a suitable tool.

Remove actuator drive (3).

Unlock plug connection (4) and disconnect.

Fig 5: Identifying Actuator Drive Plug Connection, Relay Lever, Screws

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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
• Readdress flap motors