(Installing left and right coil spring)

2021 BMW Z4 sDrive M40iSECTION (Installing left and right coil spring)
NOTE: Perform the steps on the right and left side.
  • Check lower spring pad (1) for damage, replace if necessary.
  • Check the position of the lower spring pad (1) with the plastic tab (2) on the camber control arm, correct if necessary.
    G16620839Courtesy of BMW OF NORTH AMERICA, INC.
  • Guide in and position coil spring (1) from above in the arrow direction.
G16620840Courtesy of BMW OF NORTH AMERICA, INC.
  • Position the coil spring (1) in such a way that the coil spring end is in form-fit contact with the lower spring pad (2).
    G16620841Courtesy of BMW OF NORTH AMERICA, INC.
  • Feed in the spring pad at the top (1).
    G16620842Courtesy of BMW OF NORTH AMERICA, INC.
  • Position the upper spring pad on the coil spring (1) such that the coil spring end (2) is in form-fit contact with the upper spring pad.
G16620843Courtesy of BMW OF NORTH AMERICA, INC.
  • Slacken the coil spring with the special tools 0 494 997 (33 5 016)Β  and 0 494 934 (33 5 020)Β  . Provide counter support to the spindle using special tool 0 494 998 (33 5 017)Β  and standard tool (1) in the process.

Standard tool: 3/8" reversible ratchetΒ 

3/8" reversible ratchet

G16620844Courtesy of BMW OF NORTH AMERICA, INC.
G16620845Courtesy of BMW OF NORTH AMERICA, INC.

3/8" reversible ratchet

Note the installation position when relaxing the coil spring and, if necessary, correct it.

  • Remove the special tools.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.