Fuse box BMW 5 E39 - fusesdiagram Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box BMW 5 E39 1996-2003 . Where is the fuse box on 1998 bmw 740i - JustAnswer Where is the fuse box on 1998 bmw 740i - Answered by a verified BMW Mechanic This fuse is located in the trunk fuse panel. This is behind the right side trim panel . I hope that is helpful, please let me know if you have further questions, or if I can clarify anything for you. bmw 540i: 2004 bmw 740i The ignition quit working due to.