Factory replacement "5" emblem to complement the M badge from the E28/E34 era (but can be used on all BMW models of any year). This is a Genuine BMW emblem as used on the E28 M5 and E34 M5.
BMW Fitments:
5 Series
E28 (82-88) > M5 (87-88)
5 Series
E34 (89-95) > M5 (91-95)