Thats a lot of coin for Adding a ipod/iphone, be cheaper to buy the TV tuner and jump up lead mate and then your ebay link would be the one to buy (thats what I have).

YouTube - iPod Intravee II and Ipod video playback on a BMW e46 Nav Screen

First part in the Intravee II (for ipod) and the 2nd part is ipod video to nav screen.

__________________
Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.