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
1991	BMW	318i	Base
1991	BMW	318is	Base
1986-1988	BMW	325	Base
1984-1987	BMW	325e	Base
1986-1987	BMW	325es	Base
1987-1991	BMW	325i	Base
1987-1991	BMW	325is	Base
1988-1991	BMW	325iX	Base
2006-2008	BMW	Z4	Coupe 3.0si
2006-2008	BMW	Z4	Roadster 3.0si