This is a Genuine Rear Inside Trim End.
This is new, see the photo.
OEM Part number: 41007300996 / 7285022 ;
Fits:
4 Series F33 (03/2013 — 02/2017)
4 Series F33 LCI (05/2016 — 07/2020)
4 Series F83 M4 (06/2013 — 02/2017)
4 Series F83 M4 LCI (05/2016 — 07/2020)