Honestly, I can't tell you if your visa would be denied or approved because every case is different. I know a lot of people who applied for a second bachelors program and still had their visa approved. It all depends on how valid and strong your reasons are for going for a second bachelors degree. Your ability to convince the visa officer and your letter of motivation would play a very critical factor in determining if your visa would be denied or accepted. I have an article on how to write your motivation letter for German student visa. You can read about it in the link below.