BMW M5 Sedan E34 3.6L L6 Rust Neutralizer - Fertan Rust Converter (1 Liter Bottle)

1991 BMW M5 Sedan E34

Converts rust into a black inert dust. Apply product via brush or sprayer. Allow product around 24 hours to work. Rinse the black dust off. What is left behind is the metal protected by a black zinc phosphate coating. This coating is good for up to six months protection and can be painted directly over.

1992 BMW M5 Sedan E34

Converts rust into a black inert dust. Apply product via brush or sprayer. Allow product around 24 hours to work. Rinse the black dust off. What is left behind is the metal protected by a black zinc phosphate coating. This coating is good for up to six months protection and can be painted directly over.

1993 BMW M5 Sedan E34

Converts rust into a black inert dust. Apply product via brush or sprayer. Allow product around 24 hours to work. Rinse the black dust off. What is left behind is the metal protected by a black zinc phosphate coating. This coating is good for up to six months protection and can be painted directly over.