Ok this is getting quite aggravating & mind boggling. So when I tried to let down the window on front passenger side it wouldn't so I checked the fuse it was blown. When I try to replace the fuse it's sparks. So I took off the connection to the window motor and the replace it won't spark but soon as I put the connection on it blows the fuse. Also the mirror and door locks doesn't work on that side but the lights do. So I'm wondering could it be something up with the module on the passenger door? Also, where exactly is it located? I have an 05 525i