http://x3.xbimmers.com/forums/showthread.php?t=529850
See this thread, post #4 and onward.
From what it looks like, the bolts have indeed changed. However it also appears that the bolt holes have not, so all you need are new bolts. This is purely what I've gleaned off that thread, so don't take my word for it 100%. With regards to the TPMS (see post #8 on linked thread), it looks like they are different too...
If you end up being able to run those wheels though, they'll fit just fine; won't be too flush I don't think. If you want a "flusher" stance then just get spacers. Although IMHO, it'd be too much of a hassle trying to run those wheels lol you have a lot more options (better looking ones too) that will give you less of a headache.