Niboke Piston Kit Suitable for BMW N54 B30 Piston With Piston Rings OEM 11257577581 11247586491 11247558882 11317542837

Specifically tailored for the high-performance BMW N54 B30 engine, this piston kit by Niboke includes pistons and matching rings compatible with OEM references 11257577581, 11247586491, 11247558882, and 11317542837. The kit supports forced induction and high-RPM conditions typical in BMW twin-turbo applications. Each piston is precision-balanced and heat-treated for optimal strength and thermal stability. The ring sets feature chrome-faced compression rings and low-friction oil control rings to minimize blow-by and oil consumption. Ideal for high-performance rebuilds, track usage, or reliability upgrades.

Bore Diameter (mm) : 84
Compression Height (mm) : 54.8
Pin Diameter (mm) : 21
Material : Forged Aluminum
Compatible Engines : BMW N54 3.0L Twin-Turbo