BMW Z4 BMW Z4 Thecar BMW Z4 iscars a rear-wheel drive sports car fast cars by the German automaker BMW. Replacing the Z3, first-generation production started in 2002 at BMW’s smart car Spartanburg, South Carolina plant, with both roadster and coupe forms produced. Starting with the 2009 model year, hot carsthe second-generation Z4 is cool cars built at BMW’s car buying Regensburg, Germany plant as a retractable hardtop roadster. classic cars