styling garage also offered a convertible version of the bmw 3-series, called the 320 sgs. this model, unlike the one presented by bmw themselves at the 1985 frankfurt motor show, has a rollbar fitted. as usual, they also offered a range of design accessories, wing kits, wheels, etcetera. bmw's in-house convertible 3-series arrived in 1985 and made this conversion mostly redundant.