How can I get a navigation system/ Ipod interface for my BMW 330I?

Is there a way to get a nav system and ipod interface (after market or dealer installed i dont care) for a 2007 BMW 325I thats not dash mounted or am I stuck with the dash mounted models? If I am can you anyone reccomend a good one?How can I get a navigation system/ Ipod interface for my BMW 330I?Go with aftermarket- Garmin Nuvi.How can I get a navigation system/ Ipod interface for my BMW 330I?look up an avic-x910bt. has naigation and ipod interface. and gives it a nice stock look