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My 2000 M5 has a CD based GPS that is semi-functional but pretty slow.
Can I upgrade to a DVD based GPS and still have all the BMW info show on my screen (on board computer, etc)?
If so, what do I need to buy, what will it cost and where can I find it?
Also, any recommendations as to who might do it (dealers vs. speciatly sound store)? Don't suggest I do it- if it takes more than duck tape and a hammer I am hopeless.
Thanks for any advice...
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