Jim T 
2016 BMW 5 Series Sedan 535i xDrive 4dr Sedan AWD (3.0L 6cyl Turbo 8A)
poor gas milage
 bought this car 6 weeks ago gas milage is 15-16 city sticker says 20 called the dealer they said 15-16 is normal well why advertise 20 plus ventilation system is on every time you start the car even if you don't want it on