I weighed my F31 328i M Sport, got the 19" wheels as well, and if I recall it correctly it landed at around 1600 kg give or take. Almost fully filled up tank.
Glacier Ag. F31 328iA M Sport oct. 2012
| Sport Automatic | Adap. M Susp. | Pano. Moonroof | 20" ATS Racelight Grey w. Michelin PSS| M Sport brakes | Harman Kardon | Elec. Seats | PDC F&R | ACC Stop&Go | 335i MPE | Perf. Parts |