Important!

This replacement procedure can be used for:
BMW 3 Saloon (E90) 320i, BMW 3 Saloon (E90) 320 i, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 318d, BMW 3 Saloon (E90) 320 d xDrive, BMW 3 Saloon (E90) 325i, BMW 3 Saloon (E90) 330i, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 318 d, BMW 3 Saloon (E90) 330 d, BMW 3 Saloon (E90) 325xi, BMW 3 Saloon (E90) 330 xi, BMW 3 Saloon (E90) 330 xd, BMW 3 Saloon (E90) 320 si, BMW 3 Saloon (E90) 335i, BMW 3 Saloon (E90) 335 d, BMW 3 Saloon (E90) 320 d, BMW 3 Saloon (E90) 325 d, BMW 3 Saloon (E90) 318i, BMW 3 Saloon (E90) 318 d, BMW 3 Saloon (E90) 335xi, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 325xi, BMW 3 Saloon (E90) 320i, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 330 i, BMW 3 Saloon (E90) 330 xi, BMW 3 Saloon (E90) M3, BMW 3 Saloon (E90) 316i, BMW 3 Saloon (E90) 323 i, BMW 3 Saloon (E90) 335 i, BMW 3 Saloon (E90) 335 i, BMW 3 Saloon (E90) 330d, BMW 3 Saloon (E90) 330 d xDrive, BMW 3 Saloon (E90) 316 i, BMW 3 Saloon (E90) 325i xDrive, BMW 3 Saloon (E90) 330 i xDrive, BMW 3 Saloon (E90) 335i xDrive, BMW 3 Saloon (E90) 320 d xDrive, BMW 3 Saloon (E90) 316 d, BMW 3 Saloon (E90) 320d, BMW 3 Saloon (E90) 320 d xDrive, BMW 3 Saloon (E90) 325 d, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) 323 i, BMW 3 Saloon (E90) 328i, BMW 3 Saloon (E90) 320 d, BMW 3 Saloon (E90) 335 xi, BMW 3 Saloon (E90) 335 i xDrive, BMW 3 Saloon (E90) 325 i, BMW 3 Saloon (E90) M3 CRT, BMW 3 Saloon (E90) 330i, BMW 3 Saloon (E90) 335 i, BMW 3 Saloon (E90) 320 i, BMW 3 Saloon (E90) 335i xDrive 3.0, BMW 3 Saloon (E90) 330 d, BMW 3 Saloon (E90) 325i xDrive, BMW 3 Saloon (E90) 325xi … View more

The steps may slightly vary depending on the car design.

How to replace suspension front lower arm BMW 3 E90 TUTORIAL | AUTODOC

Alternative products

Rod / Strut, wheel suspension

Replacement: front lower arm – BMW E90. Tools you need:

                      Wire brush
                    
                      WD-40 spray
                    
                      Brake cleaner
                    
                      Copper grease
                    
                      Combination spanner #18
                    
                      Combination spanner #21
                    
                      Torx bit T30
                    
                      Wheel impact socket #17
                    
                      Ratchet wrench
                    
                      Torque wrench
                    
                      Hammer
                    
                      Hydraulic transmission jack
                    
                      Wheel chock

Buy tools

Replacement: front lower arm – BMW E90. AUTODOC recommends:

The replacement procedure is identical for the left and right lower control arms.
Please note: all work on the car – BMW E90 – should be done with the engine switched off.

Carry out replacement in the following order:

Step 1

Secure the wheels with chocks.
Step 2

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

Raise the front 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 E90
Step 5

Remove the wheel.
Step 6

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

Unscrew the fastener connecting the ball joint of the front control arm to the steering knuckle. Use a combination spanner #21. Use Torx T30. Use a ratchet wrench.
Step 8

Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.

Step 9

Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
Step 10

Remove the rear fastener of the control arm. Use a hammer.

Step 11

Disconnect the lower arm from the steering knuckle. Use a hammer.
Step 12

Remove the arm.
Step 13

Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Step 14

Install a new arm.

Replacement: front lower arm – BMW E90. Professionals recommend:
During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
Step 15

Connect the lower arm to the steering knuckle.

Step 16

Screw in the fastener connecting the ball joint of the front control arm to the steering knuckle. Use a combination spanner #21. Use Torx T30. Use a torque wrench. Tighten it to 165 Nm torque.
Step 17

Treat the fasteners of the ball joint. Use copper grease.
Step 18

Install the rear fastener of the control arm.

Step 19

Screw the rear fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
Step 20

Prop up the steering knuckle. Use a hydraulic transmission jack.
Step 21

Tighten the rear fastener of the control arm. Use a combination spanner #18 (2 pieces). Use a torque wrench. Tighten it to 68 Nm torque.+90°

AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 22

Treat all joints of the arm. Use copper grease.
Step 23

Remove the support from under the steering knuckle.

AUTODOC recommends:
Replacement: front lower arm – BMW E90. Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 24

Treat the surface where the brake disc contacts the wheel rim. Use copper grease.
Step 25

Clean the brake disk surface. Use a brake cleaner.

AUTODOC recommends:
Replacement: front lower arm – BMW E90. After applying the spray, wait a few minutes.
Step 26

Install the wheel.

AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. BMW E90
Step 27

Screw in the wheel bolts. Use wheel impact socket #17.
Step 28

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 120 nm torque.
Step 29

Remove the jacks and chocks.

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