Automakers traditionally update a model, then leave it alone for three to five years, with maybe a minor cosmetic change somewhere in the product cycle. The X5, due for a major update in 2013, may look similar to its 2007 self, but the performance and cabin tech have all kept up with the times.
Under the hood sits BMW's N55 engine, the latest version of its 3-liter straight six cylinder, using direct injection for fuel delivery and a twin scroll turbocharger to boost power. Its eight-speed automatic transmission also represents more recent BMW technology. And BMW engineers tweaked the … Read more