Solved Creating Interior Skins & Body Coloured Trim Problem

I´ve trying to do them, but it doesn´t work, so... Could anybody help me??

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Another problem is the Body Coloured trim, which covers many of my skins... How could I make it painted at the same time than my skin??
Cheers and thanks

 

For the body coloured trim, just copy the diffuseMaps and specularMaps from the stock body coloured trim's material.

 

And for the Interiors? What should I do?
Cheers

 

Assuming the vehicle already has some interior skins, copy an existing material and jbeam for one of them and make any edits you want.