how is it that BMW has remained so popular and profitable with its One Sausage, Three Lengths product line strategy? Aren’t all cars made of steel, aluminium (for Sir Jony), plastic, glass, and rubber? When the Bavarian company remade the Mini, were they simply in a race to the bottom with Tata’s Nano, or were they confidently addressing the logical and emotional needs of a more affluent — and lasting — clientèle?