Polymer-containing Vorspüle before a conversion treatment

The present invention relates to a multistage process for the anticorrosion treatment of manufactured from metallic materials components, in which a wet chemical treatment with an aqueous composition (A) containing a dissolved and / or dispersed polymer P, the heterocycles containing at least one quaternary nitrogen heteroatom is substituted, a conversion treatment on the basis of water-soluble compounds of the elements Zr, Ti and / or Si follows before optionally further be applied against corrosion protective coatings.