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.
NOTE:
(Extension (thread M6)) Can no longer be ordered separately. Only available as part of set 00 2 500 = 83 30 0 490 170.