Originally Posted by Ricky Bobby

Btw I spoke to Jeff at J&T today (Dynavin distributor) they are working on a DSP fix for US models. The N6 works plug and play for dsp in the rest of world E53/E39 etc models but wasn't working out of the box with US models. He will update when the fix is ready, check the N6 thread on Bimmerforums for updates as well.