The devil is in the power seats! How do I fix it? on 2003 BMW 325i

I moved the passenger seat backward and reclined it all the way the other day and now the switch clicks like normal, but the seat does not move an inch. Is it a fuse, is it the motor, or the switch itself? How can I diagnose and then fix this? PLEASE help, it's my girlfriend's car, and she blames me for it! Gah!

Asked by for the 2003 BMW 325i