Installing the trailing arm

Courtesy of BMW OF NORTH AMERICA, INC.

• Position the trailing arm (1).
• Replace all screws and nuts.

  Parts:  Bolts, nuts

• Insert the bolt (5) and mount the nut (4).
• Insert the bolt (3) and mount the nut (2).
• Tighten the nut (4) in the NORMAL POSITION .
  TIGHTENING TORQUES SPECIFICATION
  
  

  Trailing arm to rear axle support
  M12 Replace screw and nut.	Joining torque	100 Nm
  	Angle of rotation	90°

• Tighten the nut (2) in the NORMAL POSITION .
  TIGHTENING TORQUES SPECIFICATION
  
  

  Trailing arm to wheel carrier
  M12 Replace screw and nut. Tighten in normal position.	Joining torque	100 Nm
  	Angle of rotation	90°

• Position the attachment rod (2) of the ride height sensor on the trailing arm.
• Tighten down screw (1).
  TIGHTENING TORQUES SPECIFICATION
  
  

  Jointed rod ride height sensor on wishbone
  M6	tightening torque	8 Nm

  Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work 

• Refer to MOUNTING THE WHEEL .
• Refer to PERFORM CHASSIS ALIGNMENT CHECK .