BMW X3 E83 (2003 to 2010) Fuse Box Diagrams, Location and Fuse box location and amperage list. There are 2 fuse boxes on the BMW X3 E83: 1 – Fuse Box located 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. Fuse box BMW X3 E83 - fusesdiagram 1 – fuse box №1 (behind glovebox) 2 – fuse box №2 (behind fuse box №1) 3 – relay box №3 (behind glovebox) Open the glove compartment and turn the two quick-release fasteners to the left, refer to arrows. Spare fuses, plastic tweezers, and information about fuse allocation are stored with the fuses.