This part is listed by BMW as BMW part number 31212634120 (31-21-2-634-120) and is described as Genuine BMW Dust Cap for Front Wheel Bearing for vintage 2002, E21 3-series, E12 5-series, E24 6-series, and E23 7-series.
BMW Fitments:
2 Series
Vintage 2002 (67-76) > E10 2002 (1969-1976)
Vintage 2002 (67-76) > E10 2002tii (1972-1974)
3 Series
E21 (75-83) > 320i
E21 (75-83) > 323i
5 Series
E12 (77-81) > 528i
E12 (77-81) > 530i
6 Series
E24 (77-89) > 630CSi
E24 (77-89) > 633CSi
E24 (77-89) > 635CSi
7 Series
E23 (77-87) > 733i
E23 (77-87) > 735i
