The 2009 BMW Z4 has been caught out testing again ... These shots, however, give a pretty good indication of a retractable hardtop. Instead of the 3-Series' three-piece folding top, the Z4 ...

And they also paved the way for the first-generation BMW Z4 and its successor, the brand's first Roadster fitted with a retractable hardtop. Design: classical proportions infused with modern ...

The concept replaced the Z4's retractable roof with a hardtop featuring the Hofmeister kink, wider fenders, and more practicality. BMW even tweaked the kidney grille, installing double vertical bars.

We never know exactly what we’re going to get when BMW introduces ... so this new Z4—with its updated styling, optional turbos, and retractable hardtop—is likely to win us over.

Seating is very comfortable, and BMW hasn't forgotten about details ... And among roadsters, the Z4 remains one of the most practical because of its 4-season, well-insulated retractable hardtop and ...

The second-generation two-door BMW Z4 Roadster, produced from 2009 to 2016, was the first Z-Series model to employ a retractable hardtop roof. Withclutch.com reviewed data from warranty companies ...