The X has such a big hole it makes double-din headunits look small. If you take a look at factory navigation you can see why. The factory nav has buttons on either side of the monitor.

I think an all wood bezel would look better since wood has more detail on it. The extra space would look less "cheesy".

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[Sold] 2004 X5 4.4i - Sterling Gray - Truffle Brown, Sport, Preminum, Rear Climate, DSP, Sirius, PDC, 132's (19 inch wheel), Comfort Seats
Dynavin, JL Audio Stealthbox, Alpine PDX-5 Amp