Importing Large Fbx Files

Hi Everyone ,
I need to know some sort of way to import large fbx files into unreal
the size of the file is 400 mb
becuase when i try to IMPORT it Engine crashes everytime no matter what import settings i use.
Please Help.

it could be that its taking to much of your system resources when importing. what are your hardware specs?

16 gb ram
i 5 processor
Nvidid GeForce 1070 graphic card