This part is listed by BMW as BMW part number 11618512504 (11-61-8-512-504) and is described as Genuine BMW O-Ring for EGR Valve - N57 Diesel on F10 535d (2014, 2015, 2016) and F15 X5 35d (2014, 2015, 2016, 2017, 2018).
For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
F10 / F11 (11-16) > 535d
F10 / F11 (11-16) > 535d xDrive
F15 X5 (2014-2018) > X5 xDrive35d