N57D30 1set Con Rod & Crankshaft Main Bearing Kit For X3 X4 X5 X6 Car Replacement Accessories Parts This con rod and crankshaft main bearing kit is designed for use with X3, X4, X5, and X6 series vehicles.Constructed from steel, the components are built to support engine under regular driving conditions.The set includes all necessary bearings for a full replacement, compatibility and proper fit for the intended models.The kit is engineered to meet specifications, supporting efficient installation and consistent performance.It is suitable for use during engine rebuilds or maintenance procedures where worn bearings require replacement.Designed for durability, the components contribute to smooth crankshaft rotation and reduced wear in the engine block and connecting rods.Intended for use with N57D30 engines, this bearing set supports long-term engine health when installed correctly.It is recommended to follow standard mechanical procedures during installation to alignment and function.Regular engine maintenance will help maximize the service life of the replaced parts and maintain overall engine.