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The EBC GD Sport rear rotor set for 1987–1991 BMW M3 (E30) is a solid rear rotor option made from OE-spec grey cast iron and often produced in EBC’s UK foundry. The 3GD series is specified and tested for material properties and runout, offering wide slots that remove debris and aid cooling to reduce fade. Intended as a durable, performance-oriented replacement with tested production standards.
EBC 87-91 BMW M3 2.3 (E30) GD Sport Rear Rotors
