This is a listing for ONE single connecting rod & piston. Complete set was removed from a 1991 E30 318i convertible. Piston skirts show minimal if any wear. Minimal carbon build-up present on piston surface. Rod journals show minimal wear, no scoring. Connecting rod bushing feels great, however always suggested to replace. Rod bolts are not stripped, however always suggested to replace. New rings will be required. NOT from an overheated engine. Standard 83.98mm ("0") Piston Part Number: 11.25-1 721 446 Standard 45.00mm ("0") Rod Part Number: 11.24-1 437 617 Compatible with the following: E30 318is Coupe 11/1989 - 04/1991 E30 318i Sedan 03/1990 - 04/1991 E30 318i Convertible 07/1990 - 12/1992