UVW setting in an XREF

Hi guys, i am designing a large scale architectural project and i am trying to implement xrefs. I have a central project with the landscape and urban enviroment, iside which i am improting xref buildings - each building from separate file. The trouble is that the imported xref’s don’t maintain their uvw settings when imported. Thus the textures are misaligned. Any advice on how to import xrefs with its original uvw settings? (add. applying a uvw setting on the xref in the central model dont work either) YThank you for any advice.