N63 (with water-cooled DME control unit)

Unscrew screws (1) and (2).

Lay DME control unit with holder and oil reservoir to one side.

Fig 1: Identifying DME Control Unit Screws

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Release nut (1) on wishbone (2) and remove.

Tightening torque: see 5AZ in 31 12 TRAILING ARMS AND STRUTS

Installation note: 

Replace nut.

Fig 2: Identifying Wishbone And Nut

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Secure swivel bearing (1) 33 5 206 with tensioning belt to spring (2).

Fig 3: Securing Swivel Bearing Using Special Tool (33 5 206)

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Release nut (1) and remove ride height sensor jointed rod from wishbone.

Installation note: 

Replace self-locking nut.

Tightening torque: see 5AZ in 37 14 ELECTRIC COMPONENTS .

Fig 4: Identifying Upper Arm Nuts And Bolts

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Release nut (2) and remove bolt (3).

Tightening torque: see 6AZ in 31 12 TRAILING ARMS AND STRUTS

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 nut.

Tighten wishbone as far as it will go in relation to swivel bearing.

Release nut (1) and remove screw.

Tightening torque: see 7AZ in 31 12 TRAILING ARMS AND STRUTS

Release spring strut from wishbone (2).

Installation note: 

Note direction of insertion of screw.

Replace screw and nut.

Tighten in NORMAL POSITION .

Fig 5: Identifying Wishbone And Nut

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Release screw (1).

Tightening torque: see 5AZ in 31 12 TRAILING ARMS AND STRUTS

Pull spring strut outwards and remove screw (1).

Remove wishbone (2).

Installation note: 

Replace nut.

Fig 6: Identifying Wishbone And Screw

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Risk of damage! 

Observe assembly sequence.

Upper wishbone must be screwed in normal position! (Adjustment of normal position, see below).

1. Insert bolt (2) (do not tighten down)
2. Adjust upper wishbone to body to dimension (A).
3. Tighten screw (2).

   Tightening torque: see 5AZ in 31 12 TRAILING ARMS AND STRUTS

4. Tighten screw (1).

   Tightening torque: see 5AZ in 31 12 TRAILING ARMS AND STRUTS

5. Tighten spring strut/wishbone (lower) screw connection.

   Tightening torque: see 7AZ in 31 12 TRAILING ARMS AND STRUTS

6. Tighten wishbone/swivel bearing (3) screw connection.

   Tightening torque: see 6AZ in 31 12 TRAILING ARMS AND STRUTS

   Fig 7: Identifying Upper Wishbone, Wishbone/Swivel Bearing And Screw

   Courtesy of BMW OF NORTH AMERICA, INC.