6 Set Piston Rings Kit STD 84mm 11257589824 11257587914 Compatible With F20 F21 F30 F10 X3 X4 X5 X6 N55B30 N55B30A Engine

6 Set Pistons Rings Kit STD 84mm For 2010-2017 F20 F21 F30 F10 X3 X4 X5 X6 N55B30 N55B30A Engine 11257589824 11257587914 Piston rings kit designed for engines with standard specifications.Cylinder bore size is 84.00mm.Wrist pin diameter measures 22mm with a wrist pin length of 54mm.Ring thicknesses are 1.2mm for the first ring, 1.5mm for the second ring, and 2.0mm for the third ring.Compatible with N55B30 and N55B30A 3.0L L6 engines with a displacement of 2979cc and twin turbo configuration.Fits models including 135i, M135i, M235i, 335i, 435i, 535i, 640i, X3 xDrive35i, X4 xDrive35i, X5 xDrive35i, and X6 xDrive35i produced between 2010 and 2017.OEM part numbers include 11258619196, 11257610297, 11257610298, 11257589824, and 11257587914.Intended for use in engines without cylinder overbore. Compatibility Notice: This is an aftermarket product.Mention of brands is for fitment identification only.

• Replacement piston rings kit designed for engines with a standard 84mm bore size
• Compatible with a wide range of models including F20 F21 F30 F10 X3 X4 X5 X6 equipped with N55B30 or N55B30A engine variants
• Precisely engineered to restore proper compression and oil control in -performance turbocharged engines
• Suitable for use during engine rebuilds or performance requiring OEM-spec piston ring replacement
• Includes a complete set of 6 piston rings with part numbers 11257589824 and 11257587914 for accurate fitment