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.
0492027 322100 Open-end wrench MW
NOTE:
(Open-end wrench AF 27) For adjusting left track rod on rack [released]