6 Set Piston Rings Kit 84mm STD For N55B30 N55B30A Engines 11258619196 11257610297 11257610298 Replacement Compatible With 2010 2017 F21 F30 F10 X3 X4 X5 X6 Models

6 Set Pistons Rings Kit STD 84mm for N55B30 N55B30A Engine STD 0.00 specification Cylinder bore 84.00mm Wrist pin diameter Φ22mm Wrist pin length 54mm Ring thickness: 1st ring 1.2mm, 2nd ring 1.5mm, 3rd ring 2.0mm Designed for 3.0L L6 2979cc twin-turbo engine applications OEM part numbers: 11258619196 11257610297 11257610298 11257589824 11257587914 Fits models produced between 2010 and 2017 with N55B30 and N55B30A engines Compatible with various vehicle platforms including F20 F21 F30 F10 X3 X4 X5 X6 configurations Kit includes 6 sets of piston rings Engineered for precise fitment with standard cylinder bore dimensions Suitable for engine rebuild or maintenance procedures Constructed to meet specifications Material designed for under -performance conditions Ensures proper compression and oil control during Installation requires standard mechanical tools and knowledge No modifications needed for fitment in designated applications Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.

• Replacement piston rings set designed for engines equipped with N55B30 and N55B30A engine codes
• Compatible with a wide range of models including F21 F30 F10 X3 X4 X5 and X6 manufactured between 2010 and 2017
• -engineered 84mm standard size rings accurate fitment and engine performance
• Kit includes 6 piston rings providing a complete set for full engine cylinder restoration
• Constructed from materials to withstand combustion temperatures and maintain compression