Wiseco 4-stroke piston ring sets are made specifically to Wiseco's specifications to provide ultimate performance and sealing with Wiseco's wide variety of 4-stroke pistons. From compression and sealing to oil control, rings can make or break piston performance, which is why Wiseco rings are developed and tested for race-ready performance.

This Part Fits:

Year	Make	Model	Submodel
1988-1991	BMW	M3	Base
1991-1993	BMW	M5	Base