 First, the Tourist was manufactured with a smooth C-pillar, in 1970 a forced ventilation system with air outlets in the C-pillar was introduced.From chassis number 04.10 474, on 6 May 1969, the new Type 353-1 engine with was introduced.In 1970 ( exactly in 18-th June 1969- according to Mr. Horst Ihling's publication "Wartburg - Help Yourself" ) round instruments replaced the earlier "bathroom scale" type, and in 1972 bucket seats replaced the earlier types.