This part is listed by BMW as BMW part number 34112284809 (34 11 2 284 809) and is described as Brake Rotor, Left Front for 2015+ F80 M3, F82 M4 and 2017+ F87 M2.
This is the authentic Genuine BMW Motorsport steel brake disc, Front Left (Driver Side), the same that came with the car as new. This can be used on all 2015+ M2/M3/M4 with the standard (cast iron) brake system. (Not for CCB option.)
For questions, full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.
F87 (2016-2021) > M2 N55 (2016-2018)
F80 (2015-2018) > M3 (2015-2018)
F82 / F83 (2015-2020) > M4 (2015-2020)