Over a year ago, in an interview with Auto&Design, BMW design chief Chris Bangle described his vision of the automotive philosophy of the future in decidedly abstract terms. “The important thing”, he said, “is to start questioning dogmas: and sometimes, you need a big hammer to break them down. You just need to grasp the fact that everything is variable and that there are no fixed forms, so you can take a more flexible approach.” It is only now, however, with the presentation of the Gina Light – a revolutionary experimental car skinned not with metal, but with a silver coloured elastic fabric – that this concept has taken tangible form. Even then, Bangle was already using the term Gina: an acronym standing for ‘geometry in an infinite number n…