Please help

Hello ...
can you please help me ? i changed my PC AND STILL GAME crash like when i press Alt+F4 !
when i joing armored vehicules or when i switch between driver to gunner the game crashs ...
the game never crash when i use HMVs and truck and air vehicules. only tanks apcs btrs and AA guns...
processor I3/RAM 8Go/ video card NVIDIA ... system: windows 10 ! all video settings are on LOW
CAN U PLEASE HELP ME ?:-(