I see several 2017 BEVs advertised on dealer and car sites and most of them are advertised as 60 Ah. However, I plugged the VINs of some in bmwvin.com and realoem.com and they all show as type code 1Z63 and not 1Z23 (which I believe should be for the 60 Ah battery), and RealOEM show them to have...