Important!
This replacement procedure can be used for:
BMW Z4 Roadster (E85) 2.5 si, BMW Z4 Roadster (E85) M, BMW Z4 Roadster (E85) 3.0 si, BMW Z4 Roadster (E85) 2.5 si, BMW Z4 Roadster (E85) 2.5 i, BMW Z4 Roadster (E85) 2.0 i, BMW Z4 Roadster (E85) 2.2 i, BMW Z4 Roadster (E85) 2.5 i, BMW Z4 Roadster (E85) 3.0 i, BMW Z4 Roadster (E85) 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

Tools
Replacement: rear suspension lower control arm – BMW Z4 (E85). Tools you need:
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 (E85). 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 (E85). Use the following procedure:
  1. Step 1
    Secure the wheels with chocks.
    Step 2
    How to change Control Arm on BMW Z4 E85 2003 - free PDF and video manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  2. Step 3
    How to replace BMW Z4 Roadster (E85) 3.0 i 2004 Control Arm - step-by-step manuals and video guides
    Raise the rear of the car and secure on supports.
  3. Step 4
    BMW Z4 E85 2.5 i 2005 Control Arm replacement: free workshop manuals
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. BMW Z4 (E85)
  4. Step 5
    Changing Control Arm on BMW Z4 Roadster (E85) 2.0 i 2006 by yourself
    Remove the wheel.
  5. Step 6
    How to remove BMW Z4 3.0 si 2007 Control Arm - online easy-to-follow instructions
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  6. Step 7
    How to replace Control Arm on BMW Z4 Roadster (E85) 2008: download PDF manuals and video instructions
    Make a mark on the camber adjustment bolt.
  7. Step 8
    How hard is it to do yourself: Control Arm replacement on BMW Z4 E85 2.5 si 2009 - download illustrated guide
    Unscrew the fastener connecting the control arm to the rear knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
  8. Step 9
    Need to know how to renew Control Arm on BMW Z4 2003? This free workshop manual will help you to do it yourself
    Clean all joints of the arm. Use a wire brush.
  9. Step 10
    Changing of Control Arm on BMW Z4 E85 2004 won't be an issue if you follow this illustrated step-by-step guide
    Remove the fastening bolt. Use a drive socket #18. Use a crowbar.
  10. Step 11
    BMW Z4 2.5 i Control Arm replacement: online guides and video tutorials
    Unscrew the fastener connecting the control arm to the subframe. Use a drive socket #18. Use a crowbar.
  11. Step 12
    Replacing Control Arm on BMW Z4 E85 2006 3.0 i by yourself
    Support the rear knuckle. Use a hydraulic transmission jack.
  12. Step 13
    Z4 Roadster (E85) 3.0 si 2007 Control Arm DIY replacement workshop manual
    Remove the fastening bolts. Use a pin punch. Use a hammer. Use a crowbar. Use a combination spanner #18.
  13. Step 14
    How to change Control Arm on BMW Z4 Roadster (E85) 2008 - tips and tricks
    Remove the arm.
  14. Step 15
    Step-by-step recommendations for DIY replacement BMW Z4 E85 2009 3.0 si Control Arm
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  15. Step 16
    DIY replacement of Control Arm on BMW Z4 Roadster (E85) 2.2 i 2003 is not an issue anymore with our step-by-step tutorial
    Install a new arm.
    AUTODOC recommends:
    Replacement: rear suspension lower control arm – BMW Z4 (E85). Use only new bolts and nuts for installation.Do not damage the ball joint cover.
  16. Step 17
    How to change Control Arm on BMW Z4 E85 2003 - free PDF and video manuals
    Install the control arm fasteners. Use a combination spanner #18. Use a crowbar.
  17. Step 18
    How to replace BMW Z4 Roadster (E85) 3.0 i 2004 Control Arm - step-by-step manuals and video guides
    Adjust the position of the alignment bolt according to the mark.
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DIY BMW Z4 Roadster (E85) Control Arm replacement - online guide
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