In Canada on my 335i, the outer lights are Xenon and the inner ones are H7 I believe. The inner ones come on when I pull back the Hi Beam lever for flash-to-pass use. (i.e. flash you High Beams before you pull out to pass a vehicle in daylight). And only as I pull back on the lever. They will not stay on. When I push forward on the Hi Beam lever my outer Xenon's become my Hi Beams and stay on as Hi Beams.
So it looks like the inside ones are only for daytime flash-to-pass use only. Someone try it with the X5 and see if it is the same.
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