Genuine MINI JCW Pro Rear Diffuser Kit F56 F57 PDC Cooper S OEM 51192339046. Part number: 51192339046. Genuine MINI JCW Pro rear diffuser kit designed for Gen 3 F56 and F57 Cooper S and JCW models. This OEM upgrade enhances the rear styling with a more aggressive JCW Pro look while maintaining factory fit and quality.
