For N54B30 3.0L L6 Turbo 135i 335i 535i 740i X6 Z4 E82 E90 E60 F01 6Pcs Pistons & Rings Set Φ84mm OE11257610295 11257577586 6Pcs Pistons & Rings Set with a bore diameter of 84.00mm designed for engines with model designation N54B30, 3.0L inline 6-cylinder turbocharged configuration.This set includes pistons and rings matched to standard specifications with no cylinder expansion required.The wrist pin diameter is 22mm and the wrist pin length is 53mm.Compatible with vehicle models equipped with the N54B30 engine including variants designated as 135i, 335i, 535i, 740i, X6, Z4 across chassis codes E82, E90, E91, E92, E93, E60, E61, E71, E89, F01, and F02 produced between 2006 and 2016.Replacement part numbers include 11257610295, 11257577586, 11257577581, 11257577582, 11257610296, 11257561698, 11257570405, and 11257577587.The package includes one complete set of 6 pistons and corresponding rings.