Important!

This replacement procedure can be used for:
BMW Z4 Coupe (E86) 3.0 si, BMW Z4 Coupe (E86) M … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Control Arm for Z4 Coupe (E86) and other BMW models

Suspension arm

Suspension arm for Z4 Coupe (E86) Petrol (265 hp)

Simple DIY car repair steps – Replacing Suspension arm on Z4 Coupe (E86)

Suspension arm for Z4 Coupe (E86) Petrol (343 hp)

Replacement: rear suspension lower control arm – BMW Z4 Coupe (E86). Tools you need:

                        Wire brush
                      
                        WD-40 spray
                      
                        Brake cleaner 
                      
                        Copper grease 
                      
                        Torque wrench
                      
                        Combination spanner #18
                      
                        Drive socket # 18 
                      
                        Wheel impact socket #17
                      
                        Ratchet wrench
                      
                        Pin punch
                      
                        Hammer
                      
                        Crow bar
                      
                        Hydraulic transmission jack
                      
                        Wheel chock

Buy tools

Replacement: rear suspension lower control arm – BMW Z4 Coupe (E86). AUTODOC experts recommend:

The replacement procedure is identical for the left and right lower control arms.
All work should be done with the engine stopped.

Replacement: rear suspension lower control arm – BMW Z4 Coupe (E86). Use the following procedure:

Step 1

Secure the wheels with chocks.

Step 2

Loosen the wheel mounting bolts. Use wheel impact socket #17.
Step 3

Raise the rear of the car and secure on supports.
Step 4

Unscrew the wheel bolts.

AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. BMW Z4 Coupe (E86)
Step 5

Remove the wheel.
Step 6

Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
Step 7

Make a mark on the camber adjustment bolt.
Step 8

Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 9

Clean all joints of the arm. Use a wire brush.
Step 10

Remove the fastening bolt. Use a drive socket #18. Use a crowbar.
Step 11

Unscrew the fastener connecting the control arm to the subframe. Use a drive socket #18. Use a crowbar.
Step 12

Support the rear knuckle. Use a hydraulic transmission jack.
Step 13

Remove the fastening bolts. Use a pin punch. Use a hammer. Use a crowbar. Use a combination spanner #18.
Step 14

Remove the arm.
Step 15

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 16

Install a new arm.

AUTODOC recommends:
Replacement: rear suspension lower control arm – BMW Z4 Coupe (E86). Use only new bolts and nuts for installation.Do not damage the ball joint cover.
Step 17

Install the control arm fasteners. Use a combination spanner #18. Use a crowbar.
Step 18

Adjust the position of the alignment bolt according to the mark.
Step 19

Screw in the fasteners connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
Step 20

Raise the hydraulic transmission jack by 10-15 cm.
Step 21

Tighten the fastener connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a torque wrench. Tighten it to 100 Nm torque.
Step 22

Tighten the fastener connecting the control arm to the subframe. Use a drive socket #18. Use a torque wrench. Tighten it to 77 Nm torque.
Step 23

Remove the support from under the rear knuckle.

AUTODOC recommends:
Replacement: rear suspension lower control arm – BMW Z4 Coupe (E86). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 24

Treat all joints of the arm. Use copper grease.
Step 25

Clean the wheel rim mounting seat. Use a wire brush.
Step 26

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 27

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: rear suspension lower control arm – BMW Z4 Coupe (E86). After applying the spray, wait a few minutes.
Step 28

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. BMW Z4 Coupe (E86)
Step 29

Screw in the wheel bolts. Use wheel impact socket #17.
Step 30

Lower the car and working in a cross order, tighten the wheel bolts. Use wheel impact socket #17. Use a torque wrench. Tighten it to 140 Nm torque.
Step 31

Remove the jacks and chocks.

Was this manual helpful?

Please rate this manual on a scale from 1 to 5. If you have any questions, feel free to ask us.

Searching for the right tyres?

Find out which tyre and wheel sizes are compatible with the BMW Z4 Coupe (E86) model.

Browse tyres

How to change rear strut mount on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
2.94 MB
How to change front lower arm on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
2.8 MB
How to change front wheel bearing on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
2.07 MB
How to change front anti roll bar links on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
2.13 MB
How to change rear brake pads on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
1.78 MB
How to change front brake pads on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
1.55 MB

How to change front lower arm on BMW Z4 Roadster (E85) – replacement guide

Free download PDF
2.8 MB
How to change rear suspension lower control arm on BMW Z4 Roadster (E85) – replacement guide

Free download PDF
1.83 MB
How to change front lower arm on BMW Z4 Roadster (E89) – replacement guide

Free download PDF
1.87 MB
How to change rear suspension lower control arm on BMW Z4 Roadster (E89) – replacement guide

Free download PDF
1.83 MB
How to change front lower arm on BMW Z4 Coupe (E86) – replacement guide

Free download PDF
2.8 MB
How to change control arm on a car – replacement tutorial

Universal

Free download PDF
1.07 MB

Your profile is your personal assistant.

It can track car expenses, keep a car log and replacement schedule, and save favourite materials, notes and documents

Install the AUTODOC CLUB app!

Your personal car expenses manager, maintenance tips, reminders about upcoming appointments and service intervals, DIY repair instructions – all this on your phone.

Scan

To download the app:

- scan the QR code
- download from App Store
- download from Google Play

How to clean an engine bay | AUTODOC

6K views

Published on: 11/09/2020
Top 5 mistakes when buying car parts

3K views

Published on: 10/03/2022
Coolant comparison test | AUTODOC

4K views

Published on: 13/10/2022
What to do if the belt squeals | AUTODOC tips

4K views

Published on: 04/03/2021