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How to change front lower arm on BMW E90 – replacement guide
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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.
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

All the parts you need to replace – Control Arm for 3 Saloon (E90) and other BMW models
Rod / Strut, wheel suspension
Alternative products

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
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 1Secure the wheels with chocks.
- Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the front of the car and secure on supports.Step 4Unscrew the wheel bolts.AUTODOC recommends:Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. BMW E90
- Step 5Remove the wheel.
- Step 6Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 7Unscrew 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 8Clean the fasteners connecting the control arm to the subframe. Use a wire brush. Use WD-40 spray.Step 9Unscrew the rear fastener connecting the control arm to the subframe. Use a combination spanner #18 (2 pieces).
- Step 10Remove the rear fastener of the control arm. Use a hammer.Step 11Disconnect the lower arm from the steering knuckle. Use a hammer.
- Step 12Remove the arm.
- Step 13Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 14Install 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 15Connect the lower arm to the steering knuckle.Step 16Screw 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 17Treat the fasteners of the ball joint. Use copper grease.
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