There are several on eBay. Do a search on "bmw nav* 2007* dvd"

http://motors.search.ebay.com/bmw-na...02007Q2aQ20dvd

Just be sure to get the version without the "CCC" logo.

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SOLD
2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input