Installing the backrest width adjustment with valve

• Insert the air cushion (2) from the rear.
• Attach the spring wire (1) to the backrest frame.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Replace screws (1).

  Parts:  Screw

• Tighten the screws (1) on the left and right air cushion (2).
  TIGHTENING TORQUE SPECIFICATION
  
  

  Backrest width adjustment to backrest frame
  Oval-head screw Replace screw.	tightening torque	1.7 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed in the pump (3).
• Attach the valve unit (2) on the spring wire.
• Connect connectors (1) and lock.
• Mount the cable tie (arrows).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to INSTALLING THE BACKREST COVERING WITH THE CUSHION FOR THE FRONT SEAT .
• Refer to MOUNTING THE REAR PANEL ON THE FRONT SEAT BACKREST .
• Refer to INSTALLING THE INNER COVER ON THE FRONT SEAT .
• Refer to INSTALLING OUTER COVER ON FRONT SEAT .
• Refer to INSTALLING THE GUIDE SLEEVE FOR THE FRONT HEAD RESTRAINT .
• Refer to INSTALLING THE HEAD RESTRAINT IN FRONT .
• Refer to INSTALLING FRONT SEAT .