For N54B30 3.0L L6 Turbo 135i 335i 535i 740i X6 Z4 E82 E90 E60 F01 6Pcs Pistons & Rings Set Φ84mm OE11257610295 11257577586 Material: forged aluminum Cylinder Bore: Φ84mm Wrist Diameter: Φ22mm Wrist Length: 53mm Compatibility: designed for N54B30 3.0L L6 Turbo engines Package Contents: 6 pieces pistons and rings set This 6 piece pistons and rings set is engineered for the N54B30 3.0L L6 Turbo engine platform.Constructed from forged aluminum, the pistons support increased performance demands and offer improved under stress conditions.The Φ84mm cylinder bore is dimensionally matched to the engine specifications, supporting efficient combustion and consistent.The Φ22mm wrist pin diameter and 53mm wrist length contribute to structural integrity and smooth reciprocating , enhancing stability during performance use.The set is designed as a direct replacement for applications in models including 135i, 335i, 535i, 740i, X6, Z4, E82, E90, E60, F01, and other vehicles equipped with the N54B30 engine.Installation is straightforward, allowing integration without extensive modifications.Each component aligns with dimensions to proper fitment and engine performance.