My 2005 bmw 530i has several issues, my question is under the back seat is alot of wires tht tun to the fuse box and battery. Particularly ther is a red wire coming frm fuse box tht tied into a blue and white wire under back seat. Wat is these wires for

You definitely need to consult a BMW technician with manuals near you, or invest in manual access on your own. This forum cannot provide access like that.

You definitely need to consult a BMW technician with manuals near you, or invest in manual access on your own. This forum cannot provide access like that.