StopTech Drilled Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers that look great behind your wheels – and offer significantly improved braking performance. The unique cross-drilling aids with heat and brake dust dispersal; prevents glazing of the pads; adds bite and improves wet and dry braking performance. Built to last; the black e-coating provides protection from corrosion and the high carbon metallurgy (in most applications) offers quieter operation; better crack resistance and increased performance.
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This Part Fits:

Year	Make	Model	Submodel
1979-1981	BMW	528i	Base
1976-1978	BMW	530i	Base
1977-1978	BMW	630CSi	Base
1978-1982	BMW	633CSi	Base
1978-1982	BMW	733i	Base