BMW India has opened pre-launch bookings for the X6 M60i xDrive, which returns to the market as a CBU import. Powered by a 523 hp 4.4-litre twin-turbo V8 with mild-hybrid technology, the coupe-SUV hits 100 kmph in 4.3 seconds. Expected to cost around Rs 1.50 crore, it rivals the Audi SQ8 and Porsche Cayenne Coupe.