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GiroDisc slotted replacement rings fit the front 372 x 36mm rotors used on BMW F8X M2, M3 and M4 models equipped with AP or Essex big brake kits (for A1-194). These replacement slotted rings restore the braking surface profile and channel gases and debris away from the pad contact area to maintain consistent bite under hard use. They serve as direct-service components for maintaining big-brake rotor performance without requiring a full rotor replacement.
GiroDisc BMW F8X M2/M3/M4 w/ AP/Essex BBK 372x36mm Rotors - Front Replacement Rings (For A1-194)
