Method for producing a car-refinishing lacquer

The invention comprises a method for the preparation of water-dilutable coating compositions with precisely defined color shade, prepared separately at the different base colors of a mixer system and stored, and only shortly before application of the coating composition are mixed to give a mixed system is used which as Component A) various base colors A which contain less than 5 wt .-% Water, Aa) from 0.5 to 70 wt .-% of at least one color and / or effect pigment, Ab) from 10 to 80 wt .-% at least one water or water Polyurethane resin, which can be represented in the form of organic solutions, and Ac) one or more organic solvents and optionally contain auxiliaries and additives, where the sum of the parts by weight of the components Aa) to Ac) are each 100 wt .-%, and as component B) at least one water-containing, pigment-free Component B contains, the at least one rheology control additive, and optionally at least one water-dilutable or water-dispersible binder, other than acrylic latexes, and optionally further auxiliaries and additives.