1st year models always have "bugs" that need to be worked out.
If you really want a more stable ride, you should always wait until the 2nd or 3rd year of a new model. This goes for all manufacturers. Just check the recall notices on the fed websites.
2004 E60 530is, Delivered 12/12/03, TiSilver/LGrey, PP, SP,PS, PDC, ACC, FRS, Step, Xenons, clear bra, body colored rear inserts. (Retired, 1983 henna red 320is)
2004 Corvette Z06 Commemorative Edition