hi.. i have problem, i export obj

here my export configuration:
https://imgur.com/kgziEyi

after that i put obj in autodesk maya and want export it in i3d file
i get msg (warning) polycount 578700 is very high. this cause performance isuess etc.

after that i cant open i3d in giant editor, or if i open there missing some parts of model..

HOW TO EXPORT FROM MOI IN BEST QUALITY BUT THAT POLYCOUNT IS SMALL

tnx