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The Brembo GT front big brake kit for 1987–1991 M3 (E30) includes four-piston cast calipers with two-piece 330x28mm rotors and a drilled one-piece rotor in black finish. Offered as a direct-fit upgrade, the kit replaces original braking components on supported E30 models with larger Brembo hardware, delivering more substantial calipers and ventilated rotors with a darker appearance.
Brembo 87-91 M3 (E30) Front GT BBK 4 Piston Cast 2pc 330x28 1pc Rotor Drilled-Black
