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How to change front lower arm on BMW X1 (E84) – replacement guide
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Important!
This replacement procedure can be used for:
BMW X1 (E84) xDrive28i, BMW X1 (E84) sDrive 20i 2.0, BMW X1 (E84) xDrive 20 i, BMW X1 (E84) sDrive18i, BMW X1 (E84) xDrive28i, BMW X1 (E84) sDrive18d, BMW X1 (E84) xDrive 18 d, BMW X1 (E84) xDrive20d, BMW X1 (E84) sDrive 20 d, BMW X1 (E84) xDrive 23 d, BMW X1 (E84) xDrive 20 d, BMW X1 (E84) sDrive 20 d, BMW X1 (E84) sDrive 18 d, BMW X1 (E84) xDrive 18 d, BMW X1 (E84) sDrive18i, BMW X1 (E84) xDrive25i, BMW X1 (E84) sDrive 28i, BMW X1 (E84) xDrive 25 d, BMW X1 (E84) sDrive 16 d, BMW X1 (E84) xDrive 20 d, BMW X1 (E84) sDrive 20 d, BMW X1 (E84) sDrive 16 i, BMW X1 (E84) xDrive35i, BMW X1 (E84) xDrive 28 i Flex … View more
The steps may slightly vary depending on the car design.
BMW X1 (E84) xDrive28i, BMW X1 (E84) sDrive 20i 2.0, BMW X1 (E84) xDrive 20 i, BMW X1 (E84) sDrive18i, BMW X1 (E84) xDrive28i, BMW X1 (E84) sDrive18d, BMW X1 (E84) xDrive 18 d, BMW X1 (E84) xDrive20d, BMW X1 (E84) sDrive 20 d, BMW X1 (E84) xDrive 23 d, BMW X1 (E84) xDrive 20 d, BMW X1 (E84) sDrive 20 d, BMW X1 (E84) sDrive 18 d, BMW X1 (E84) xDrive 18 d, BMW X1 (E84) sDrive18i, BMW X1 (E84) xDrive25i, BMW X1 (E84) sDrive 28i, BMW X1 (E84) xDrive 25 d, BMW X1 (E84) sDrive 16 d, BMW X1 (E84) xDrive 20 d, BMW X1 (E84) sDrive 20 d, BMW X1 (E84) sDrive 16 i, BMW X1 (E84) xDrive35i, BMW X1 (E84) xDrive 28 i Flex … 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 X1 (E84) 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 X1 (E84). AUTODOC recommends:
- The replacement procedure is identical for the left and right lower control arms.
- Please note: all work on the car – BMW X1 (E84) – 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 X1 (E84)
- 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 X1 (E84). 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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