BMW X3 Service & Repair Manual > Front axle repair instructions: Front axle + steering: wheel alignment check must be carried out after the
following work
A WHEEL ALIGNMENT CHECK must be carried out after the following work:
Release the following screw connections:
Steering box to front axle support
Lower wishbone to front axle support
Track rod end to track rod
Replace the following components:
Steering box (1)
Front axle support ...