as the 1950s progressed, the enterprise also produced bodywork for wartburg models and for the low volume sachsenring p240. in 1956, a cabriolet version of the wartburg 311 joined the line-up, with 2,670 completed by 1960 when this variant was withdrawn. kwd also participated in development of the composite plastic bodywork of the awz p70 zwickau, itself a precursor to the better remembered trabant. between 1968 and 1990 the plant was assembling the "tourist" (station wagon/estate car) version of the wartburg 353 and its volkswagen powered successor, the wartburg 1.3. by this time kwd was also assembling caravans at three nearby satellite factories in dresden, rosenthal and wilsdruff. during the 1970s and 1980s kwd activities became increasingly integrated with those of wartburg.