I use a KUDA leather mount which blends perfectly with my interior, KUDA custom leather mounts - BMW - X5 (E70) (07-13)

and I use a proclipusa holder for my Iphone 7+, Car Phone Holders and Dashboard Phone Mounts*-*ProClip USA
but they have a variety of holder types for most smartphone/tablet models including magnetic mounts like mentioned above.

If you like mounting over the vents, Proclip has mounts for that as well, BMW*X5-series *2008*Dashboard Mounts*-*ProClip USA

Otherwise KUDA has 2 mounts, 1 above I-Drive, and 1 for lower right of center console.