The thing is, they aren't random. As boring as they are, they have meaning behind them. When you turn into BMW and have a 2 Series, a 3 Series, a 4 Series, a 5 Series, a 6 Series, a 7 Series, an X1, an X3, an X4, an X5, an X6, an i3, an i8, and a Z4, you CAN'T have real names. It's illogical.