Necessary preliminary tasks

• Remove LEFT PARTITION WALL FOR UNITS COMPARTMENT .
• Detach coolant expansion tank and place to one side
  NOTE: Level switch can slip out of the coolant expansion tank in the process.
• Remove FRONT WHEEL .

Unscrew nuts (1).

Installation note: 

Replace self-locking nuts.

Tightening torque 31 31 1AZ .

Fig 1: Identifying Self-Locking Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Slacken nut (1).

Remove jointed rod (2) from upper wishbone (3).

Installation note: 

Replace self-locking nut.

Tightening torque 37 14 5AZ .

Fig 2: Identifying Jointed Rod, Upper Wishbone And Nut

Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 31 5 220 with wheel studs to drive flange.

Support swivel bearing with special tool 31 5 220 and workshop jack.

Fig 3: Supporting Swivel Bearing With Special Tool (31 5 220) And Workshop Jack

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten nut (1) and remove screw (2).

Installation note: 

Keep wishbone to swivel bearing connection clean and free from oil and grease.

Note direction of insertion of screw.

Screw must rest correctly in groove of ball stud.

Replace self-locking nut.

Tightening torque 31 12 6AZ .

Fig 4: Identifying Upper Control Arm And Bolt

Courtesy of BMW OF NORTH AMERICA, INC.

Release nuts of screws (1).

Remove screws (1); if necessary, lower/raise swivel bearing and spring strut using workshop jack.

Remove wishbone (2) from swivel bearing.

Installation note: 

Replace screws and nuts.

Set ride height at front left (right) to normal position (see TECHNICAL DATA ) and tighten screw/bolt connection.

Fig 5: Identifying Wishbone And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 31 12 5AZ .