N12 N16 Engine Piston & Ring Kit 77mm STD 11257589348 For 2006-2016 R55 R60 Cooper Countryman Paceman Piston and ring set designed for N12 and N16 engines with a 77 mm bore size in standard specification.11257589348.Compatible with models from 2006 to 2016 including R55, R60, Cooper, Countryman, and Paceman.Engine displacement is 1598 CC with 16 valves.This kit includes four piston and ring assemblies as shown in the reference images.compatibility by comparing your current part with the provided specifications and photographs before installation.