WARNING: This page is about a different car, the 2018 BMW X4, 2017 BMW X4, 2016 BMW X4, and 2015 BMW X4. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Tool Set (2210777)
Courtesy of BMW OF NORTH AMERICA, INC.
NOTE:
Retrofit - for authorized BMW dealers who have already received the special tool 31 0 000 from SPX.