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Originally Posted by RPX5
I have an 03 X5 with DSP, and I wonder how difficult it would be to install the navigation on my car.
Is it plug and play? Will I need separate wiring harnesses? What should I look for when buying a nav? I found a junked X5 with navi that i can get my hands on. I'm still waiting on the specifics of the X5 (model, year, etc.).
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It's a full days work to retro-fit the nav to the car, as long as you have ALL the parts.
When fitting to a vehicle with no nav, you need to use the retro-fit wiring loom.
Trying to fit a factory-nav wiring loom to a car with no nav is a massive job, and involves running wires to each speaker and more, and is thus MUCH more work than using the retro-fit loom.
My recommendations:
Start with a copy of the retrofit instructions for your car. PM me ofr a copy if you don't have one. The instructions list/show all parts needed for the job, plus tell you how to go about it.
Get all the hardware incl nav/radio/screen + brackets, nuts and bolts from the junked X5. You may also need the antenna amplifier(s)
Get the small cables such as GPS antenna cable and radio antenna cable as well.
Then get the retrofit-loom new (ebay, BMW).