See also:

BMW X6 M
The X6 M steps up from the 400-hp, 4.4-liter V-8 to a twin-turbocharged version making 555 hp. Torque is rated at 500 pounds-feet. BMW says the zero to 60 mph time is 4.5 seconds. A six-speed auto ...

Vehicle battery
Maintenance The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. Batt ...

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...