I DID IT!!!! 04 4.8is Lemans/Black/Load floor -- now the questions really come

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I am still shaking from excitement. I just got back from the stealership and I have just purchased a CPO vehicle from them 04 4.8is Lemans Blue and Black interior. Immaculate condition and extremly low miles.

I am happy camper.

I will post pics when I pic it up tomorrow. I got them to put in the trailer hitch for me.

Couple of questions...

1) what is the cheapest (just dropped a lot of coin) way to get the latest update to the DVD navigation system? do I need a complete new system or can I just get an updated DVD?

2) should I update to the latest firmware on the navi?

Things on the 2 buy list.
1) angel eyes upgrade
2) fog upgrade
3) replica running boards
4) all-weather mats
5) possibly add bluetooth

If you guys have any suggestions/discounts places for any of the above please specify so I can start to track it down.

I am new to X5 so I don't know part numbers etc for any of the things on the 2 buy list.

I really want bluetooth and the dealer told me they would not install it for me so I need serious recommendations for adding it into the standard BMW assist stuff. I have no problems LOSING BMW assist if it would get me voice recognition and bluetooth. Are they 2 different things?

Really sorry for so much questions. Just a little excited and want it all done like now.

Curtis