33 32 305 

Special tools required:

2 412 505
33 5 013
33 5 014
33 5 015
2 412 506
33 5 016
33 5 020
33 5 017
2 358 630

Note:

If the wishbone is detached from the rear axle support, it is necessary after reinstallation to carry out a chassis / wheel alignment check.

Necessary preliminary tasks:

Remove rear wheel.

Removal:

Replace upper front wishbone BMW M2 F87

Slacken nut (4).

Slacken nut (2).

Remove screw (3).

Remove wishbone (1).

Installation:

Note:

The wishbone screw connection on the rear axle support must be tightened in the normal position. For this purpose, the coil spring must be tensioned.

Replace upper front wishbone BMW M2 F87

Position wishbone (1).

Part: Renew screw (3) and nut (2).

Insert bolt (3).

Screw on the nut (2).

Do not tighten screw connection to torque yet.

Part: Replace nut (4).

Tighten nut (4).

Tightening torque 33 32 6AZ:

Type Thread Tightening specifications Torque
1AZ Lower front wishbone to rear axle support
F80 / F82 / F83 / F87 M12 Renew screw. 100 Nm
2AZ Front lower wishbone to wheel carrier
F80 / F82 / F83 / F87 M12 Renew screw. 100 Nm
3AZ Rear lower wishbone (track control arm) to rear axle support
F80 / F82 / F83 / F87 M12 Renew screw. 100 Nm
4AZ Rear lower wishbone (track control arm) to wheel carrier
F80 / F82 / F83 / F87 M12 Renew nut. 100 Nm
5AZ Front and rear upper wishbones to rear axle support
F80 / F82 / F83 / F87 M12 Renew screw and nut.

Tighten down in normal position.

100 Nm
6AZ Front and rear upper wishbones to wheel carrier
F80 / F82 / F83 / F87 M14 Renew nut. 165 Nm
7AZ Camber control arm to rear axle support
F80 / F82 / F83 / F87 M14 Renew screw and nut.

Tighten down in normal position.

165 Nm
8AZ Camber control arm to wheel carrier
F80 / F82 / F83 / F87 M14 Renew nut. 165 Nm
9AZ Reinforcement strut to body, outside
F80 / F82 / F83 / F87 M10 Renew screws.
Jointing torque 56 Nm
Angle of rotation 60 °
10AZ Bracing strut/connecting strut on side sill
F80 / F82 / F83 / F87 M12 Renew screw.
Jointing torque 100 Nm
Angle of rotation 90 °
11AZ Reinforcement strut to body, middle
F80 / F82 / F83 / F87 M8 24 Nm
12AZ Reinforcement strut to rear axle support
F80 / F82 / F83 / F87 M10 Renew nut. 79 Nm
13AZ Connecting strut on bracing strut
F87 M8 24 Nm
14AZ Bracing strut to bracing strut
F83 M8 Renew screws. 24 Nm
15AZ Bracing strut to body
F83 M12 Renew screw.
Jointing torque 100 Nm
Angle of rotation 90 °

Replace upper front wishbone BMW M2 F87

Insert lower spring cup 2 412 505 centrally into coil spring and turn to lowest winding.

Guide spindle 33 5 013 , 33 5 014 , 33 5 015 from below through the camber link and the lower spring cup 2 412 505.

Replace upper front wishbone BMW M2 F87

Insert top spring cup 2 412 506 sideways into coil spring and turn to the uppermost winding.

Important!

Make sure spindle (hexagonal) is correctly seated in upper spring cup 2 412 506 !

Pull spindle 33 5 013 down.

Replace upper front wishbone BMW M2 F87

Warning!

Danger of injury!

Make sure coil spring is correctly positioned in spring cups.

Replace upper front wishbone BMW M2 F87

Important!

Centre special tools 2 412 505 , 2 412 506 , 33 5 013 , 33 5 014 , 33 5 015 to achieve the greatest possible contact surface with the coil spring.

Check installation position of special tools 2 412 505 , 2 412 506 , and 33 5 013 , 33 5 014 , 33 5 015 , correct if necessary.

Replace upper front wishbone BMW M2 F87

Tighten coil spring using special tools 33 5 016 and 33 5 020 , gripping the spindle of the spring tensioner with special tool 33 5 017.

Tension the coil spring so that the normal position can be set by lifting the wheel carrier.

Replace upper front wishbone BMW M2 F87

Secure special tool 2 358 630 with wheel studs to drive flange.

Insert workshop jack into special tool 2 358 630.

Replace upper front wishbone BMW M2 F87

Adjusting normal position:

Note:

To raise the wheel carrier, the spring absolutely must be tensioned. Do not move the wheel carrier to normal position against the spring force.

Push wheel carrier with workshop jack and special tool 2 358 630 up to dimension A.

Dimension A = middle of wheel hub to upper edge of wheel arch

Dimension A – F80 = 343 mm

Dimension A – F82, F83 = 363 mm

Replace upper front wishbone BMW M2 F87

Tighten nut (2).

Tightening torque 33 32 5AZ

Note:

If required, use torque wrench with ring wrench adjustment.

Replace upper front wishbone BMW M2 F87

Lower workshop jack and place to one side.

Remove special tool 2 358 630.

Replace upper front wishbone BMW M2 F87

Check fitting of coil springs in spring pads (top and bottom), if necessary again align and relieve tension.

Remove special tools 2 412 505 , 2 412 506 , 33 5 013 , 33 5 014 , and 33 5 015 .

Required follow-up work:

Install rear wheel.
Carry out wheel alignment procedure.