Vorsteiner unveiled their GTRS4 widebody kit for the new BMW M4 last year and they had a rather small welcoming party for it. As a matter of fact, I remember some people claiming that it was simply ...

Out of the bunch of possible tuning kits for the E92 M3 (and there are thousands out there), some are downright special. The one made by Vorsteiner under the GTS3 nickname takes the cake though, ...

California-based tuning shop Supreme Power took one Alpine White BMW M4, strapped on a bevvy of Vorsteiner visual and performance mods to give this two-door Bimmer an even more intimidating look.

Aerodynamic bodykits launched for high-performance cars can be a bit hit and miss but that hasn’t stopped Vorsteiner from introducing a raft of upgrades for the new BMW M3 and M4. The exterior designs ...