Afcourse...BE+MBA is far better thn BBA+MBA.
From B.E your mathamatical skills will be powerful & MBA is all.about Business,Profit Loss,Investments,Strategy..So this mathematical Skills Will help you to learn the terms deeply..
Apart feom.learning You will get Ample opportunity in Engineering firm as well as Banking & Finance sector.
So By B.E+MBA You are eligible for Most of The job opportunities.
So I think B.E+MBA is Better then bBA+MBA


Best of Luck
Thank You