BMW 7 Series: Removing And Installing/Replacing Top Left Wishbone

Notes

NOTE: Wishbones with + or - marking (see graphic) are camber correction arms:

- Underdimension variant
+ Overdimension variant

These camber correction arms are used to correct the camber values by 30 minutes. To be used only if the tolerance values are exceeded or undershot! An unmarked control arm is a standard part.

Fig. 39: Identifying Under And Over Dimension Variant Of Control Arm

Necessary preliminary work

• Remove FRONT WHEEL.
• IF NECESSARY, REMOVE OIL RESERVOIR FOR HYDRAULIC STEERING from the left wheel arch.
• Remove E-BOX ON RIGHT WHEEL ARCH, IF NECESSARY.

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

Tightening torque 31 12 5AZ.

Installation note: Replace nut.

Fig. 40: Identifying Wishbone With Nut

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

Fig. 41: Identifying Swivel Bearing And Spring

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

Installation note: Replace self-locking nut.

Tightening torque 37 14 5AZ Release nut (2) and remove bolt (3).

Tightening torque 31 12 6AZ.

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.

Fig. 42: Identifying Wishbone Nut And Bolt

Release spring strut (1) on lower wishbone (2).

Tightening torque 31 12 7AZ.

Installation note: Replace self-locking nut.

Fig. 43: Identifying Spring Strut On Lower Wishbone

Release screw (1).

Tightening torque 31 12 5AZ.

Pull spring strut outwards and remove screw (1).

Remove wishbone (2).

Installation note: Replace nut.

Fig. 44: Identifying Wishbone And Screws

IMPORTANT: 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 31 12 5AZ.

4. Tighten screw (1).

Tightening torque 31 12 5AZ.

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

Tightening torque 31 12 7AZ.

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

Tightening torque 31 12 6AZ.

Fig. 45: Identifying Wishbone/Swivel Bearing And Screws

Adjusting normal position

Fig. 46: Adjusting Normal Position

Installation note:

Secure control arm (1) to body vertically to dimension (A) = 85 mm.

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