The R1 Concepts drilled brake rotor for 1977–1983 BMW 320i front-left applications is a black-finished replacement rotor intended to fit the front-left hub across those years. The drilled face matches cataloged specifications and is offered for practical rotor renewal during restoration or maintenance. It’s aimed at owners preserving or restoring original braking hardware on 320i vehicles from this era.
R1 77-83 BMW 320i Front Left Drilled Black Brake Rotor