I'm with you on this whole size-increase thing. I'm placing myself down for the M4 GC as my next vehicle if it looks as good as the renders.
2012 BMW X5 35d (Alpine white/Black - Loaded) - Delivery: 2012/9/17
2013 BMW M5 (Azurite black/Black full merino/Piano trim/20"/Exec./Driver Assist. - Delivery: 2012/11/16