BMW X3 Service & Repair Manual > Spring strut: Removing and installing/replacing trailing link on left or right spring
strut dome
Special tools required:
00 9 120
IMPORTANT:
Vehicles must not be driven without tension struts.
Driving without trailing links may damage the vehicle body.
trailing links can be secured with screws or nuts.
Screws must be tightened to specified torque and then tightened down ...