This engine rebuild kit is designed for use with N40, N42, and N46 2.0L engines, offering a direct fit for multiple models including 116i, 120i, 316i, 316ci, 316ti, 318ci, 318ti, and 320i.Constructed from forged steel and aluminum, the components are built to provide function and increased resistance to wear.The set includes a crankshaft, connecting rods, pistons, piston rings, and a complete set of main and rod bearings, providing all essential parts needed for a full engine overhaul.Each part is engineered to meet precise dimensional specifications to proper fitment and alignment within the engine.This comprehensive kit supports efficient restoration of engine function and is suitable for professional mechanics and DIY enthusiasts undertaking engine rebuild projects.Designed as a complete solution, it simplifies the rebuilding process by including all core internal components in one package.