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How to change rear suspension lower control arm on BMW Z4 Coupe (E86) – replacement guide
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Important!
This replacement procedure can be used for:
BMW Z4 Coupe (E86) M, BMW Z4 Coupe (E86) 3.0 si … View more
The steps may slightly vary depending on the car design.
BMW Z4 Coupe (E86) M, BMW Z4 Coupe (E86) 3.0 si … 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
Alternative products

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
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 1Secure the wheels with chocks.Step 2Loosen the wheel mounting bolts. Use wheel impact socket #17.
- Step 3Raise the rear 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 Z4 Coupe (E86)
- Step 5Remove the wheel.
- Step 6Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
- Step 7Make a mark on the camber adjustment bolt.
- Step 8Unscrew 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 9Clean all joints of the arm. Use a wire brush.
- Step 10Remove the fastening bolt. Use a drive socket #18. Use a crowbar.
- Step 11Unscrew the fastener connecting the control arm to the subframe. Use a drive socket #18. Use a crowbar.
- Step 12Support the rear knuckle. Use a hydraulic transmission jack.
- Step 13Remove the fastening bolts. Use a pin punch. Use a hammer. Use a crowbar. Use a combination spanner #18.
- Step 14Remove the arm.
- Step 15Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
- Step 16Install 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 17Install the control arm fasteners. Use a combination spanner #18. Use a crowbar.
- Step 18Adjust the position of the alignment bolt according to the mark.
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