BMW, that most performance-oriented of car companies, had no affordable sports roadster in its line-up before 1995. This is the story of BMW's Z3 and Z4 two-seater roadsters and coupes, which since 1995 have been at the forefront of the affordable sports car market.

BMW, that most performance-oriented of car companies, had no affordable sports roadster in its line-up before 1995. This is the story of BMW's Z3 and Z4 two-seater roadsters and coupes, which since 1995 have been at the forefront of the affordable sports car market.