The e89 z4 was the first z series model to use a retractable hardtop roof which meant that there were no longer separate roadster and coupe...

The e89 z4 was the first z series model to use a retractable hardtop roof which meant that there were no longer separate roadster and coupe...
The new bmw z4 is ready to steal the show as a premium open top sports car boasting an emotion packed body design a fully electric soft top...