
BMW has two fuse boxes. One is located behind the glove compartment in the front; after removing the cover panel, you can see the fuse box behind it. The other is located in the right rear trunk. The car fuse box is a container used to hold automotive fuses and is a critical component in the vehicle's electronic control system. It is also one of the parts in the car body with higher technical content and stricter process requirements. Below is an introduction to the types of automotive fuse boxes: 1. Based on the type of fuse installed, they can be divided into fuse tube boxes and fuse strip boxes. 2. Based on the size of the fuse, they can be divided into large fuse boxes, medium fuse boxes, and small fuse boxes. 3. Based on material, they can be divided into plastic fuse boxes and bakelite fuse boxes. 4. Based on environmental standards, they can be divided into eco-friendly fuse boxes and non-eco-friendly fuse boxes. 5. Based on installation method, they can be divided into lead-type fuse boxes, circuit board-type fuse boxes, and instrument panel-mounted fuse boxes.

The fuse box in BMWs is generally located in two places. There's usually one in the engine compartment, typically a black plastic box installed in a corner—the exact position depends on the model. For example, in a 3 Series, it might be on the driver's side near the windshield. Another one is hidden inside the cabin, most commonly behind or under the glove compartment on the passenger side. You'll need to remove the entire glove box to access it—just press the clips to release it. In a few BMW models, the fuse box is located in the trunk; lift the left or right interior lining to find it. With over a decade of experience in car repair, I can say the safest approach is to check the owner's manual, which provides clear diagrams and instructions. There are significant differences between models of different years, especially newer ones, where it might be relocated under the footwell cover on the driver's side. When replacing fuses yourself, make sure to match the current rating—using a higher amperage fuse can damage the wiring. If you can't find it, take it to a repair shop instead of forcing open panels.

BMW vehicles are typically equipped with two fuse boxes. The engine compartment fuse box is usually located at the front near the firewall. Simply open the hood and look for a labeled plastic cover. The passenger compartment fuse box is hidden in the front passenger area, commonly found behind the glove compartment or under a cover in the footwell. Based on my daily maintenance experience, the main fuse box in the new 3 Series has been relocated to the lower left side of the dashboard. Before performing any operations, it's essential to disconnect the negative battery terminal to prevent short circuits, especially for luxury models with numerous electronic components—it's advisable to have a professional technician handle these tasks. At dealerships, when we encounter cases of blown fuses, we simultaneously investigate the source of abnormal circuit loads. We do not recommend that owners replace complex circuit fuses themselves, as removing BMW fuse box clips requires special techniques, and forcing them open may damage interior trim panels.

The fuse box of my old 5 Series is located inside the glove compartment on the passenger side. Just press the plastic clips on both sides of the glove box and gently push to remove the entire compartment, revealing a black cover behind it—lift that and you'll find it. Some forum members mentioned there might also be one above the brake pedal on the driver's side. When checking it yourself, wear gloves to avoid getting dusty—the fuses are tiny, about the size of a fingernail. Once, my reading light wouldn't turn on, so I replaced it myself following the manual, but the wrong fuse type burned out again. Later, I learned that each position corresponds to a different function—for example, the blue 15A is for the cigarette lighter. I heard that in newer models, it's been relocated near the spare tire well in the trunk—what a hassle of a design. Honestly, I'd say it's easier to just go to the shop—they can fix it in two minutes.

The design of BMW's fuse box locations is carefully considered. The front compartment box primarily protects engine-related circuits, such as high-temperature resistant components like fans and headlights; while the cabin box is responsible for delicate electronic equipment, hence it's hidden behind the glove compartment to avoid heat exposure. Engineers placed passenger compartment fuse boxes near the glove compartment or footwell for maintenance convenience, but some recent models have relocated them to the trunk to optimize cabin space and weight distribution. This layout variation depends on the platform architecture—for instance, CLAR platform vehicles tend to adopt a low-position arrangement on the driver's side. The circuit diagram on the back of the fuse box cover indicates the function corresponding to each slot. Safety factors during collisions are also considered in the design to avoid placement within frontal deformation zones.


