[Markf955]

I have a 2011 X3 XDrive 2.0d with M sport pack and business navigation. I would like to upgrade to professional navigation mainly for the larger screen and hard drive for music. I have seen posts where this has been done so I contacted by dealer and they said it could possibly be done but with caveats. The main one is that any software update on the car cannot be done as the coding is done for a complete car and changing nav systems would negate the ability to update other components.

My questions are:

1. Can the vehicle be software updated if I can get the professional navigation installed?
2. If not, can the 8.8" screen be used with business navigation and is there any coding required to make he screen display properly.
3. If I buy a used instrument cluster to display the nav information in the display area between the dials as in the professional nav, will this work with the business nav? If there are restrictions on used clusters, can a new cluster be used with the larger display area between the dials?

I want to be able to take he car for service regularly and not have to worry that I can't get the latest software upgrades due to any replacement items.

Any help would be greatly appreciated.

Thanks,

Mark