BMW Coupes and Sedans 1970-1988 Repair Guide

Sunroof

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REMOVAL & INSTALLATION



3, 5, 6 and 7 Series Models

See Figure 1

  1. Open the sunroof lid 2-4 inches (5-10cm).
  2.  
  3. Unclip the roof liner frame and push it back into the headliner opening.
  4.  
  5. Close the sunroof lid and loosen the retaining bolts on each end of the gates.
  6.  
  7. Pull in the retainers, remove the center bolts and lift off the lid.
  8.  
  9. Remove the cover over the control motor and gearbox. Close the sunroof, if not already closed.
  10.  
  11. Disconnect the wiring harness and remove the 3 mounting bolts. Remove the motor and gearbox.
  12.  
  13. Push the cables back evenly on both sides. Remove the rail covers and pull the cables out of their guides.
  14.  
  15. Place the cable in the center position of the gate and press off.
  16.  

To install:
  1. Install the cables into the gate. The cables are marked with the proper side of installation. Do not lubricate the fabric covered type cables.
  2.  
  3. Pull the cables through the guides and align the cables. Insert a hex key through the gate and cable at the 0 position on the motor or gearbox assembly.
  4.  
  5. Install the motor and gearbox. The motor and gearbox must be synchronized with the hole in the drivegear aligned between the centers of the 2 gears. Torque the bolts to 2.0 ft. lbs. (2.8 Nm).
  6.  
  7. Install the sunroof lid. Use new hardware and torque to 3 ft. lbs. (4 Nm).
  8.  
  9. Adjust the sunroof lid. Pull the roof liner frame into position and clip into place.
  10.  

ADJUSTMENT



3, 5, 6 and 7 Series Models
  1. Open the sunroof lid 2-4 inches (5-10cm).
  2.  
  3. Unclip the roof liner frame and push back into the opening.
  4.  
  5. Close the sunroof lid and loosen the screws on each end of the gates.
  6.  
  7. Adjust the sunroof so the front of the panel is depressed 0.039 inches(1mm) below the roof level and the rear is 1mm above the roof level.
  8.  
  9. Align the lid so it is centered in the opening.
  10.  
  11. Tighten the screws and replace the liner.
  12.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of sunroof-3, 5, 6 and 7Series models

 
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