6-Piece Piston Rings Kit STD 84mm Compatible with N55B30 N55B30A Engines for F21 F30 F10 X3 X4 X5 X6 Models 2010-2017

This 6-piece piston rings kit is designed for vehicles equipped with N55B30 and N55B30A 3.0L L6 twin- engines.The kit includes six complete piston ring sets suitable for engine rebuilds or maintenance.Each set is manufactured to standard specifications with an 84mm cylinder bore, precise fitment without requiring cylinder boring.The first compression ring measures 1.2mm in thickness, the second ring is 1.5mm, and the oil control ring is 2.0mm, supporting effective sealing, heat transfer, and oil control during engine.Components are made from materials engineered to withstand operating temperatures and mechanical stress.This kit is compatible with vehicle models produced between 2010 and 2017, including F21, F30, F10, X3, X4, X5, and X6 platforms.Installation follows standard procedures and requires common engine assembly tools.

• Compatible with multiple models including F21 F30 F10 X3 X4 X5 and X6 from 2010 to 2017 broad vehicle coverage
• Designed for engines equipped with N55B30 and N55B30A specifications providing precise fitment and
• Features a standard 84mm piston ring set ideal for engine rebuilds and maintenance applications
• Includes six complete rings in one kit to support full cylinder restoration needs
• Matches OEM part numbers 11258619196 11257610297 and 11257610298 for accurate replacement and installation