Welcome to the Wefugees community and thank you for reaching out to us.
I’m sorry to hear that the BAMF rejected your asylum application. If you want to appeal, getting support by a lawyer or an experienced counseling office will be the best thing to do now. If you are running out of time, you can also file the appeal yourself at the local “Verwaltungsgericht” (administrative court) not to miss the deadline. Just submit your written complaint at the “Rechtsantragsstelle” or file it there orally. A lawyer or adviser can help you with the explanation for your complaint in in the following two weeks. Please see also the Handbook Germany website for more information.
I hope this helps and don’t hesitate to get back to us with any further questions.
All the best,