BMW X3 2005

Sunroof

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Power Sunroof



Diagnosis & Testing
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the power sunroof switch.
  6.  
  7. Inspect terminal for poor connections, loose wires, bent, broken, or corroded pins, and then verify that the connector is securely fastened.
  8.  
  9. Check continuity between the terminals while operating the switch.
  10.  
  11. If there is no continuity when the switch is in the ON position, replace switch.
  12.  
  13. Check for battery voltage at the lead wire of connection to the power sunroof switch.
    1. If battery voltage is absent, check the fuse for the power sunroof.
    2.  
    3. If battery voltage is present, check through the switch for power delivery.
    4.  
    5. Replace switch if faulty.
    6.  

  14.  

Removal & Installation
Motor
Front
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:

    The negative battery cable
     
    Front headliner trim
     
    Remove screws (1)
     
    Lower power sunroof motor (2) from position
     
    Unlock plug connection (3)
     
    Disconnect and remove motor with gear (2)

    Click image to see an enlarged view

    Fig. Location of front drive motor for power sunroof

     

  4.  

To install:


NOTE
Screws (1) are microencapsulated.

  1. Insert gear wheel (1) of power sunroof motor (2) exactly in gear teeth (3).
  2.  
  3. Install plug connection for electric motor.
  4.  
  5. Place power sunroof motor into position. Tighten screws to 24 inch lbs. (3 Nm).
  6.  
  7. Install front headliner trim.
  8.  
  9. Install the negative battery cable.
  10.  
  11. Check function of power sunroof.

    Click image to see an enlarged view

    Fig. Installing the front sunroof motor into position

  12.  

Rear
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:
    NOTE
    Take care to not kink the headliner.



    The negative battery cable
     
    Rear grab handles
     
    Trim for rear left and right roof pillar
     
    Left and right interior lights
     



    Unclip headliner (1) at retaining point (2)
     
    Lower headliner

    Click image to see an enlarged view

    Fig. Removing the headliner

     

  4.  
  5. Remove screws (3).
  6.  
  7. Lower power sunroof motor (4).
  8.  
  9. Unlock plug connection (5) and disconnect.
  10.  
  11. Remove rear power sunroof motor (4).
  12.  

To install:


NOTE
Screws (3) are microencapsulated.

  1. Insert gear wheel (1) of power sunroof motor (2) exactly in gear teeth (3).
  2.  
  3. Install plug connection for electric motor.
  4.  
  5. Place power sunroof motor into position. Tighten screws to 24 inch lbs. (3 Nm).
  6.  
  7. Install or connect the following:

    Headliner. Take care not to kink the material
     
    Left and right interior lights
     
    Trim for rear left and right roof pillar
     
    Rear grab handles
     
    The negative battery cable
     

  8.  
  9. Check function of power sunroof.

    Click image to see an enlarged view

    Fig. Installing the rear sunroof motor into position

  10.  

Switch
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:

    The negative battery cable
     
    The front headliner trim
     
    Press catches (1) and unclip power sunroof switch (2)
     
    Remove in direction of arrow from front headliner trim (3)
     
    Remove electrical connections
     
    Remove power sunroof switch (2)
     

  4.  

To install:

  1. Installation is the reverse of the removal procedure.
  2.  
  3. Check function of switch.

    Click image to see an enlarged view

    Fig. Removing power sunroof switch

  4.  

 
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