Any work in the VANOS or cylinder head will need this profile gasket. It fits between the cylinder head and the VANOS unit on the S54 engine in the E46 M3, MZ3, and Z4M.
This is an OEM VANOS Gasket for Euro S50, S54 engines manufactured by Elring Klinger - an original supplier to BMW for many gaskets and seals. As an OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.
BMW Fitments:
3 Series
E46 (99-05) > M3
Z Series
E36/7 / E36/8 Z3 (96-02) > Z3 M - S54
Z Series
E85 / E86 Z4 (03-08) > Z4 M