I got mine here:
DEAL OF THE DAY SALE 1999 - 2006 BMW X5 E53 Dynavin D95 DVD GPS NAVIGATION RADIO | eBay

I received it in about 5 days, out of Ontorio, California...$699 (New D95 Version!!) includes free shipping! and their site says this:

1 year warranty from US IN THE USA!!

WE ARE THE AUTHORIZED USA DISTRIBUTION WHOLESALE WAREHOUSE !!

WE SELL TO DEALERSHIPS AND SHOPS !

WE TEST EACH AND EVERY UNIT PRIOR TO SHIPPING
TO ENSURE WE PROVIDE THE SERVICE AND QUALITY AS WE EXPECT OURSELVES