3PCS Piston And Ring Set for 118i B38A15 B38 1.5T Engine 11258657760 11258693017 11257561710 Car Accessories Upgrade the engine performance of your 118i or similar model with this 3PCS Piston and Ring Set, designed for compatibility with B38A15 and B38 1.5T engines.Constructed from forged aluminum pistons and steel rings, the set is engineered to support enhanced engine durability and efficient.It includes three pistons, three rings, and one piston pin, providing a complete replacement solution for engine rebuilding. The set features a compression ratio of 11:1, supporting optimized fuel combustion for improved power delivery and efficiency.Ring dimensions are designed with : first ring at 1.2mm thickness, second ring at 1.5mm, and third ring at 2.0mm, allowing sealing under temperature and pressure conditions. Designed for direct fitment, this piston and ring set matches OEM specifications with part numbers 11258657760, 11258693017, and 11257561710.It is compatible with various vehicle models including 116i, 118i, 216i Tourer, 218i Tourer, 218i, 220i, 318i, as well as Cooper, Cooper S, Cooper Works, Countryman, and Clubman variants.This set serves as a functional upgrade for enthusiasts and professionals performing engine repairs or performance modifications. : This part is made by an independent vendor.Any brand/model mention is for compatibility purposes only.