Checking play

WARNING: This page is about a different car, the 2010 BMW X6, 2009 BMW X6, and 2008 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

For hydraulically assisted steering systems, the engine must be running
For electrically assisted steering systems, the ignition must be on
Steering wheel:
Move steering wheel back and forth and check for play
Tie rod joint:
There must no clearance between tie rod arm (2) and tie rod joint (1).

Fig 1: Identifying Clearance Between Tie Rod Arm And Tie Rod Joint

Courtesy of BMW OF NORTH AMERICA, INC.