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 7-Series E38 (1994 to 2001) Fuse Box Diagrams Fuse box location and amperage list. There are 2 fuse boxes on the BMW serie 7 E38: 1 – Fuse Box in the engine compartment. To access the engine compartment fuse box, open the hood and look on the right hand side near the windscreen. You’ll see a cover for the fuse box.