On replacement, assemble new part with gaiter

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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 1: Identifying Track Rod Clamping Ring, Nut, Gaiter And Band Clamp

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

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