The 760Li, which shares its basic engine technology with the soon-to-materialise Rolls-Royce Ghost, provides one of the more luxurious and quickest ways to complete any road journey. The first of those can start as the owner drives it from BMW Welt on the route out of Munich and on to an autobahn of their choice for a long, loping, relaxed trip home. At least they can if they don't plan to take it back to the UK. Unlike Mercedes-Benz, Porsche and Audi, BMW – mainly for reasons of registration – does not at present offer this factory take-away service for buyers living in Britain. It's a pity, because the collection ceremony is a memorable event. I hummed a little of Wagner's Götterdämmerung to myself as a virginal white 760Li pirouetted on the turntable. Then it was into the car, a hushed drive to the automatic doors of BMW Welt and we purred off, appropriately to join Munich's ring-road, before reaching speedo needle-bending velocity on a ribbon of Bavarian autobahn as...