I've installed the spec dock ashtray mount for my iphone 4s, which will provide the navigation. Thought I'd share a few notes on what I installed for this and why.
Phone: My car did not have Bluetooth installed, which was part of the premium package here in Canada. So I purchased the Parrot Evolution BT kit with a Connect2 interface - that gives me full MFSW functionality, and voice control telephony (incoming and outbound) using the contacts and features on my iphone. It also gives full SIRI functionality, which includes sending texts, setting reminders, checking weather, etc. via voice control. A lot of pluses, and the only 'feature' I saw as giving up was the phone number showing on the radio - and as incoming calls show on the much larger and more informative iphone display I don't really see that as a downside. The Parrot controller is used once for pairing and setting volume, etc. and then lives in the glovebox out of sight - looks OEM. I installed the Parrot mic in the steering column OEM spot, so that looks factory as well.
iPhone/ipod connectivity: I originally had the BMW OEM ipod adapter, which I removed and replaced with the Mediabridge unit. That gave me an AUX connection (missing on my 2006), as well as a more refined ipod interface. With the SIRI interface, I can now use voice control to select artists, albums, playlists for my music (in unlocked mode). Or I could use the standard iphone music navigation from the phone's screen - but find the voice control works great, and is a lot safer method when driving.
The Mediabridge also has Sirius sat connectivity available, which I'm not interested in, and Bluetooth for both telphony and music streaming. Not interested in the phone BT as it only receives calls when the radio is set to the Mediabridge input, and the Parrot works great (muting/signalling, etc.) on all inputs. Not interested in BT music streaming as I have the iphone connected via the specdock 30 pin iphone connector, which has great quality sound. I could have spent less to get a Mediabridge without BT and Sat, but it wasn't much more to get this one - and I might find a use for some of the extra features down the road.
Finally, navigation: The iOS6 navigation
http://www.apple.com/ca/ios/ios6/ that Apple has now implemented after dumping Google Maps has voice control and turn-by-turn 3D mapping, and expands SIRI capabilities substantially (find the nearest gas, restaurant, etc). SIRI features on iOS5 (including nav) were very limited in Canada (and a lot of other countries outside of the USA), but that's no longer the case. iOS6 is due for general release in the fall, and is available for developers now.
Is it ideal to have your nav screen tucked into your ashtray, especially a relatively small screen? No, but with the new voice controls and navigation prompts coming through the stereo I'm not sure it's much of a big deal.In short, I love the idea of plugging in an up to date iPhone that's got considerably more intelligence than the 2006 OEM BMW bluetooth and navigation systems, and so much more in the way of features. And as new hardware and software is released, it just keeps getting better!
