Replacing Mark Levinson Non-Nav To Oem Nav

[mll]

Is it possible to replace a non-nav to the oem nav system? does this require any rewiring?

[dcfish]

Is it possible to replace a non-nav to the oem nav system? does this require any rewiring?

Yes, It is possible, One needs a wiring harness that is custom made to the car, There are no aftermarket alternatives.

[mll]

thanks dcfish. how difficult would this kind of rewiring be? do i need to open the whole dash area? could that affect any of the onboard computer system? thanks