24 Engine Hydraulic Valve Lifters / Cam Followers. 1999-2000 BMW Z3 Coupe 2.8L DOHC 24 Valve L6 Engine Code M52B28. 2001-2002 BMW Z3 Coupe 3.0L DOHC 24 Valve L6 Engine Code M54B30. 1999-2000 BMW Z3 M Coupe (US-spec models) 3.2L DOHC 24 Valve L6 Engine Code S52B32US.
