E36 Catalytic Converter

hello hai, i m newbie
my 318i 1994
I dont understand that my model with catalytic converter or without. How to findout?
That my model have oxgen sensor?
Plse brief me
Thks
my 318i 1994
I dont understand that my model with catalytic converter or without. How to findout?
That my model have oxgen sensor?
Plse brief me
Thks