WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.
Pull trim threads (1) out of seat cover.
Installation note:
Slide trim threads (1) into new seat cover. If necessary, cut mounting for trim threads.