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.
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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.
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Fig. 40: Identifying Wishbone With Nut
Secure swivel bearing (1) 33 5 206 with tensioning belt to spring (2).
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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.
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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.
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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.
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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.
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Fig. 45: Identifying Wishbone/Swivel Bearing And Screws
Adjusting normal position
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Fig. 46: Adjusting Normal Position
Installation note:
Secure control arm (1) to body vertically to dimension (A) = 85 mm.
READ NEXT:
Replacing Rubber Mount In Left Or Right Trailing Link
Notes
IMPORTANT: Rubber mount may only be renewed once!
Necessary preliminary tasks
Check ball joints of tension links while installed, replace TRAILING
LINK if necessary
Remove TRAILING LINK
IM
Wheel Bearings And Stub Axle
REPLACING BEARINGS (WHEEL HUB) FOR FRONT WHEEL
Necessary preliminary tasks
Remove BRAKE DISC
Remove FRONT PULSE GENERATOR
NOTE:
Check brake pads and renew if necessary!
Slacken nut (1).
Tight
SEE MORE:
Removing And Installing/Replacing Right Charge Air Cooler (N63)
WARNING: Risk of scalding! Only perform this repair work after engine
has cooled down!
Necessary preliminary work
Remove ACOUSTIC COVER
Remove front UNDERBODY PROTECTION.
Remove FAN COWL.
Drain coolant for charge air cooler.
Release clamp (1).
Tightening torque 13 71 8AZ.
Release clamp (2).
Removing And Installing/Replacing Oil Pump (N63)
Notes
IMPORTANT: All adjusting procedures on the chain drive must be observed.
A timing chain which is tensioned too tautly can cause noises in the chain
drive.
A timing chain that is too slack can cause the timing chain to jump.
Risk of damage in oil pump drive.
Necessary preliminary work
DRAI
