It isn't often that an automobile manufacturer gets to launch an entirely new vehicle segment, but that's exactly what BMW did in 1999 when it introduced the world's first Sports Activity Vehicle - the BMW X5. Two generations and some 1.3 million vehicles later, the BMW X5 is set to enter its third generation. As its predecessors have done before, the all-new 3rd generation X5 will again set new standards for luxury, versatility and - because...