Engine piston rings set compatible with 2.0L B47 diesel engines.Fits models including 120d, 318d, 420d, 520d, X1, X2, X3, F20, F25, F30, F32, F48, F55, F56.Designed for precise fit and performance in diesel engine applications.Includes complete ring set for standard bore sizes.Suitable for engine rebuilds and maintenance.