This part is listed by BMW as BMW part number 61319318704 (61-31-9-318-704) and is described as Genuine BMW Switch for Tailgate/Trunk Lid on all F15 X5, F85 X5M, F16 X6, and F86 X6M models.
Supersedes obsolete BMW part number 61319267981 (61-31-9-267-981).
This is a Genuine BMW switch/button with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.
BMW Fitments:
X5 Series
F15 X5 (2014-2018) > X5 sDrive35i (14-18)
F15 X5 (2014-2018) > X5 xDrive35d (14-18)
F15 X5 (2014-2018) > X5 xDrive35i (14-18)
F15 X5 (2014-2018) > X5 xDrive50i (14-18)
X5 Series
F85 X5 M (2015-2018) > X5 M (15-18)
X6 Series
F16 X6 (2015-2019) > X6 sDrive35i N55 (15-19)
F16 X6 (2015-2019) > X6 xDrive35i N55 (15-19)
F16 X6 (2015-2019) > X6 xDrive50i (15-19)
X6 Series
F86 X6 M (2015-2019) > X6 M (15-19)
