The iPhone snap-in adapter/cradle allows iPod Out. iPod Out is analog video output. Analog video output has been removed from the iPhone 5.
Therefore, new iPhone 5 snap-in adapter/cradle will have the video DAC built-in. That's where most of the release delay resides.
-2015 F30 320i, Imperial/Oyster, 8AT: August 2014 ED
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT: Gone
-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone