The xDrive35i comes standard with 19-inch wheels, automatic and adaptive xenon headlights with auto-leveling and LED halo running lights, foglamps, power-folding and auto-dimming mirrors, automatic wipers, a sunroof, a power liftgate, and front and rear parking sensors. Inside you get keyless ignition, cruise control, dual-zone automatic climate control, heated 10-way power front seats with four-way lumbar adjustment and driver memory functions and leather upholstery. Electronics features include the iDrive interface, Bluetooth phone connectivity, BMW Assist emergency communications, and a 10-speaker sound system with a CD player, HD radio, an auxiliary audio jack and an iPod/USB audio interface. The xDrive50i adds a more powerful engine, 14-way multicontour front seats with adjustable bolsters, and a navigation system with real-time traffic and voice controls. Besides the engine, these items are available on the xDrive35i. The Premium package adds keyless ignition/entry, four-zone automatic climate control, rear- and top-view parking cameras, manual rear side sunshades and, on the 35i, the navigation system, voice controls and real-time traffic. Opting for the Luxury Seating package gets you ventilation and massaging for the multicontour seats (included on xDrive50i).