BMW 318/325/M3/525/535/M5 1989-1993 Repair Information

Seat Belts

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REMOVAL & INSTALLATION



See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Seat belt mounting bolt hardware

E30 3 Series
FRONT
  1. Remove the front seat to access and unscrew the lower seat belt receptacle.
  2.  
  3. 2 Door: Pull the side panel trim over the seat belt retractor out. There are 3 clips. Pull the cover off the upper seat belt mount and unscrew the bolt. Disconnect the slide by pressing in the pin and remove the bolts for the retractor and the bottom anchor.
  4.  
  5. 4 Door: Remove the caps on the upper and lower seat belt mounts and unscrew the bolts. Unclip or unscrew the B pillar cover and remove the seat belt through the trim. Remove the bolt and the retractor.
  6.  
  7. Convertible: Remove the cover plate over the lower anchor and unscrew the bolt. Remove the rear seat and the side trim panel over the retractor assembly. The side trim panel is held by screws under the speaker grille at the arm rest and the door weather-stripping. Remove the upper mount and the retractor bolts.
  8.  

To install:
  1. Install the retractor assembly and the lower anchors.
  2.  
  3. Install the upper mount. There are 2 mounting bosses for the upper mount. The mount can be installed in either depending on the height and preference of the driver. A new hole may need to be made if the nonstock boss is utilized.
  4.  
  5. Torque the bolts to 35 ft. lbs. (48 Nm). Install the trim panels and seats.
  6.  

REAR
  1. Remove the cover at the upper mount. Remove the back tray. On the convertible remove the backseat completely and the side trim panel.
  2.  
  3. Remove the bolt holding the retractor.
  4.  
  5. Remove the seat cushion and unbolt the lower mount.
  6.  
  7. Install in reverse order. Torque the bolts to 35 ft. lbs. (48 Nm).
  8.  

E36 3 Series
FRONT
  1. Deactivate the belt tensioner by turning the cable perpendicular to the seat cushion plane. Remove the front seat and unscrew the bolt for the lower anchor receptacle.
  2.  
  3. Remove the bolt holding the seat belt tensioner. Remove the cap over the upper mount and unscrew the bolt.
  4.  
  5. Unscrew the belt holder and the retractor.
  6.  
  7. Install in reverse order. Torque the bolts to 35 ft. lbs. (48 Nm).
  8.  

REAR
  1. If equipped with fold down rear seat, remove the rear seat. If not equipped with the fold down rear seat, remove the back tray.
  2.  
  3. Remove the bolts for the lower anchors and the receptacles.
  4.  
  5. Without fold down seats: Remove the bolts for the retractors.
  6.  
  7. With fold down seats: Remove the cap over the bolt for the retractor on the back of the seat section. Remove the bolt and the end plate. Slide the retractor out of the seat.
  8.  
  9. Install in reverse order. Torque the bolts to 35 ft. lbs. (48 Nm).
  10.  

E34 5 Series
FRONT

See Figure 2



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Fig. Fig. 2: Seat belt system with automatic height adjustment-E34 5 Series

  1. Disconnect the negative battery cable. Deactivate the seat belt tensioner by disconnecting the cable on manual seats or screwing in the screw on power seats.
  2.  
  3. Raise the seat to the highest position. Unbolt and disconnect the cables to the tensioners.
  4.  
  5. Remove the side panel by pulling back the trim and pulling up. Remove the screws holding the door jamb plugs.
  6.  
  7. Remove the seat belt bolts and the retractor. Remove the guide.
  8.  
  9. If the seat belt need to be replaced, the entire system including the height control must be replaced. Install in reverse order. Torque the bolts to 35 ft. lbs. (48 Nm).
  10.  

REAR
  1. Remove the back seat. Unscrew and remove the lower anchors.
  2.  
  3. Remove the C-pillar trim panel by unclipping and pulling out.
  4.  
  5. Remove the clips and pull out the back tray.
  6.  
  7. Remove the bolt and the retractor.
  8.  
  9. Install in reverse order. Torque the bolts to 35 ft. lbs. (48 Nm).
  10.  

 
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