The German city of Rüsselsheim is not Chicago and 1920s gangster Al Capone probably never heard of Opel, the car manufacturer based there. Even so there’s a sort of connection between the Mafia kingpin, the American metropolis that was notorious for crime in the 1920s, and the city in south-western Germany. Without the prohibition on alcohol in the US at that time and the crime it spawned, the jewel in Opel’s classic collection would simply be called a sport cabriolet. Instead it has a name that references the nocturnal trips taken by the smugglers illegally bringing alcohol from Canada into t…