BMW X5 Owners & Service Manuals

BMW X5: Spring With Suspension

REPLACING FRONT LEFT OR RIGHT SPRING STRUT SUPPORT BEARING

Special tools required:

WARNING: Observe the following instructions to avoid any risk of injury by the coil springs.

  1. Prior to each use, check the special tools for defects, modifications and operational reliability.
  2. Damaged/modified special tools must not be used!
  3. No changes or modifications may be made to the special tools!
  4. These special tools are intended solely for the purpose of tightening and relieving cylindrical and tapered suspension springs.
  5. Keep special tools dry, clean and free of grease.
  6. Impact screwdrivers may not be used!
  7. Do not compress coil spring to full extent.
  8. Observe manufacturer's instructions.

Version with Vertical Dynamics Management:

IMPORTANT: Handle the spring strut with care so as to avoid damaging the control unit (1) and control valve (2).

Front Axle
Fig. 87: Identifying Control Unit And Control Valve

Necessary preliminary tasks:

Removing:

Clamp special tool 31 3 341 in vice.

Fit special tools 31 3 351 and 31 3 353 from above on special tool 31 3 341 until locking pins (1) can be felt and heard to snap into place.

Check seating of special tools 31 3 351 and 31 3 353 , correct if necessary.

Front Axle
Fig. 88: Identifying Locking Pin And Special Tool (31 3 351)

Clean coil spring to remove coarse contamination and take up with special tools 31 3 351 and 31 3 353.

Turn spring strut until end of coil spring (1) points upwards.

Front Axle
Fig. 89: Identifying Coil Spring And Special Tool (31 3 353)

WARNING: Coils of coil spring must be located completely in recesses of special tools 31 3 351 and 31 3 353 when tensioned!

Compress coil spring until stress on piston rod is relieved.

Front Axle
Fig. 90: Identifying Special Tool (31 3 351) (31 3 353)

Unscrew nut (1).

Remove joint disc (2), support bearing upper section (3) and support bearing flange (4).

Front Axle
Fig. 91: Identifying Joint Disc, Support Bearing Upper Section, Support Bearing Flange And Nut

Assembly:

Replace support bearing lower section (2), support bearing upper section (4) and support bearing flange (5).

Check upper spring pad (1) and protective tube (3) for damage, replace if necessary.

NOTE: Align upper spring pad (1) by means of coding to support bearing flange (5).

Front Axle
Fig. 92: Identifying Upper Spring Pad And Support Bearing Flange

Version with Vertical Dynamics Management:

IMPORTANT: For spring strut installation, it is essential that the stud bolt (1) and positioning pin (2) are flush with each other!

Front Axle
Fig. 93: Identifying Stud Bolt And Positioning Pin

Attach support bearing flange (1) to piston rod.

Align support bearing upper section (3) as illustrated and attach to inner section (2) of support bearing flange (1).

NOTE: Pay attention to edge (4) in shown in illustration.

Front Axle
Fig. 94: Identifying Bearing Flange, Inner Section And Edge

Attach joint disc (1) to piston rod.

Replace nut (2), screw onto piston rod and tighten down.

Tightening torque.

Front Axle
Fig. 95: Identifying Joint Disc And Nut

Align support bearing flange (1) and spring strut (3) by means of spring pads to coil spring ends.

Relieve tension on coil spring.

Check installation position of protective tube (2), correct if necessary.

NOTE: Make sure upper and lower coils of coil spring rest correctly against support bearing flange or spring plate.

Front Axle
Fig. 96: Identifying Support Bearing Flange, Spring Strut And Protective Tube

MEASURING RIDE-LEVEL HEIGHT OF VEHICLE

Necessary preliminary tasks:

Determine actual ride height (A) - to do so, attach tape measure to rim flange (2) at bottom middle and measure to lower edge of wheel arch (1).

Front Axle
Fig. 97: Identifying Rim Flange Height

REMOVING AND INSTALLING/REPLACING COIL SPRING FOR LEFT OR RIGHT FRONT SPRING STRUT

NOTE:

Procedure is described in REPLACING FRONT LEFT OR RIGHT SPRING STRUT SHOCK ABSORBER.

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