Won't you lose your shirt? If you've already had it for a month they are going to claim its value depreciated significantly so it's not like you are just going to pay a few grand difference for a Sport Line.
2012 BMW 328i Sport Line- Jet Black/Coral Red
2013 Maserati GranTurismo Sport- Nero Carbonio/Cuoio
2014 BMW 650i Coupe - Alpine White/Black Nappa loaded
2015 BMW 428i Luxury Line Convertible - Imperial Blue/Saddle Brown *ORDERED*