That stinks, but it is fix-able...

You can buy the replacement plugs from BMW. Or, it might be easier to get a navigation harness, and then just cut the plugs off an existing harness and splice the wires together. Then, you would just have to match wire colors to put it back together.

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2000 E38 750iL Highline Edition, Upgraded with the lastest 2006 X5 Electronics
MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input

Thanks Brian-BMW. Do you know where I can purchase the navigation harness?

Try the site sponsor.

http://morristownbmw.com/

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Sounds like the nav got stolen.

1. I'm trying to find out what is the best way to fix those cut wires (the nav unit and cd changer)[/QUOTE]

Go to a wreckers and cut the necessary connectors of a wiring loom. Make sure you have more than enough cable slack so you can make a good cable join in comfort.
To join the wires, join them colour-for-colour by soldering and then fitting heatshrink tubing.
Of course, you need to slide the heatshrink onto the wire before you join it, and the heat shrink needs to be far enough down the wire so it won't shrink when soldering. Hence you need som good 10 inches of cable slack.

Just make sure it is a working Mk4. Some older units are getting weak lasers these days. As for OS software you can always load the latest software (4-1/100).

To code or program the nav, you can either use a dealer ofr use my NavCoder software. If the dealer charges for coding, you may find using NavCoder is cheaper - especially if you can find a friendly forum member in your neighbourhood who has NavCoder and can do it for you.

Thanks Kiwijochen! I will look into where the wreckers are here in my city. In regards to coding or programming the nav, if I can obtain the Navcoder software, is it as easy as poping the disc in?

I will update once I look into the wreckers.

I'm looking around for an MK4, and I came across this on ebay. Would this be okay? I noticed that the seller is also including two cables, a blue and red one. Those are the connecting harnesses I need right?
http://cgi.ebay.com/ebaymotors/BMW-M...mZ320283842239

That's one of the oldest MKIV units (like mine), early P/N. Those look like the plugs that go to it. To bad someone cut the wires instead of pulling the whole harnass.

NavCoder runs on a laptop.

You connect the laptop to the car's ibus with a homemade interface or one purchased from www.reslers.de

NavCoder can be downloaded here:
http://www.bimmerboard.com/members/k...l/NavCoder.zip

Make sure that MK4 is a early one (12-02). If it's working good en runs fine with new software it's of course no problem.
But you can get troubles in the future. Maybe you must search for a MK4 from 2004-2005.....

It's weird in the first place; a '02 MK4 in a '04 X5....

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