At the same time, it offers outstanding efficiency. The x6 was marketed as a sports activity coupé (sac) by bmw. The first generation (e71) was released for sale in april 2008 for the 2008 model year. Philipp von sahr, president, bmw group india said, inspired by motorsport, m is one of the most coveted badges of all and has shaped the history of bmw x6 m specifications.