32 21 231 Replacing (removing and installing) left or right track rod

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Special tools required:

32 3 220

IMPORTANT: The steering box must be replaced if the polished surface of the rack is damaged (e.g. by corrosion)!

Necessary preliminary tasks:

Remove STIFFENING PLATE (M5 only)
Remove TRACK ROD END FROM SWIVEL BEARING
Remove GAITER FROM STEERING BOX and slide back

IMPORTANT: To avoid damage to rack and to suspension mounting, move rack in as far as possible.

Unscrew track rod with special tool 32 3 220 from rack of steering box.

Installation note:

Clean rack.

Check surface of rack for damage (e.g. corrosion).

Grease rack (refer to OPERATING FLUIDS ).

Tightening torque 32 21 1AZ .

Fig 1: Checking Steering Box Rack Surface

Courtesy of BMW OF NORTH AMERICA, INC.

On replacement, assemble new part with gaiter:

Determine dimension (A) on used part to simplify following adjustment of front axle
Slacken clamping nut (2)
Screw off track rod end; if necessary, grip track rod with open-end spanner
Remove clamping ring (1) and screw off clamping nut (2)
Slide gaiter (4) and ear clamp and band clamp (3) onto track rod
Slide clamping nut (2) and clamping ring (1) onto track rod
Screw track rod end onto track rod to dimension (A)
Tighten down clamping nut (2)
Tightening torque 32 21 2AZ .

Fig 2: Identifying Gaiter, Band Clamp, Clamping Ring And Nut
Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Only if replacing/removing track rod end: Perform CHASSIS/WHEEL ALIGNMENT CHECK