BMW GS 90010 ZNFE SI

BMW GS 90010 ZNFE SI describes zinc-iron coatings with transparent passivation for components made of ferrous materials. The standard specifies minimum layer thicknesses and corrosion protection requirements and is mainly used for decorative or black zinc-iron systems.

In practice, this specification is applied when zinc-iron coatings with a transparent appearance and OEM-compliant corrosion requirements are required.