How to change rear upper arm on BMW E39 – replacement guide
BMW 5 Saloon (E39) 520i, BMW 5 Saloon (E39) 525tds, BMW 5 Saloon (E39) 523i, BMW 5 Saloon (E39) 528i, BMW 5 Saloon (E39) 540i, BMW 5 Saloon (E39) 535i, BMW 5 Saloon (E39) 525 td, BMW 5 Saloon (E39) 530 d, BMW 5 Saloon (E39) M5, BMW 5 Saloon (E39) 535i, BMW 5 Saloon (E39) 520 d, BMW 5 Saloon (E39) 525 d, BMW 5 Saloon (E39) 520 i, BMW 5 Saloon (E39) 530 d, BMW 5 Saloon (E39) 525 i, BMW 5 Saloon (E39) 530 i … View more
The steps may slightly vary depending on the car design.
How to change rear suspension arm / rear control arm on BMW 520i (E39) [TUTORIAL AUTODOC]


- The replacement procedure is identical for the right and left upper control arms.
- All work should be done with the engine stopped.
- 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:Important! Hold the wheel while unscrewing the fastening bolts. BMW E39
- Step 5

Remove the wheel.
- Step 6

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

Disconnect the ABS sensor wiring.
- Step 8

Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 9

Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #22. Use a drive socket #10. Use a ratchet wrench.
- Step 10

Unscrew the arm fastening to the beam. Use a combination spanner #16.
- Step 11

Support the arm. Use a hydraulic transmission jack.
- Step 12

Remove the fastening bolt.
- Step 13

Remove the rear upper arm.
- Step 14

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 15

Mount the rear upper arm.
Replacement: rear upper arm – BMW E39. AUTODOC recommends:During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
- Step 16

Install the fastening bolt.
- Step 17

Screw in the fastener that connects the control arm to the rear knuckle. Use a combination spanner #22. Use a drive socket #10. Use a ratchet wrench.
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