The 2020 M340i I leased was fully-loaded; 3D view, BSM, ACC etc. After turning that in, I was a bit wary of my decision to get into a close-to-base M550i, but honestly, no regrets. With the CTS intake, Dinan axle-back w/res removal and X-pipe and some exterior bits, the car looks and sounds so good to me that I very quickly forgot about all the extra bells and whistles it was missing compared to my previous car. But then again, I'm really not picky by nature and am a glass-half-full kinda guy for the most part, so.....