Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943

Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear is a component from the Fuses and fuse boxes category, designed for installation in the rear part of the vehicle. The original BMW design ensures proper power distribution within the electrical system, stable operation of electrical consumers, and secure circuit protection in 5 Series G30/G31 models.

Specifications and technical data

• SKU: 6802943-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6802943
• Substitutable numbers: 6802943
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Purpose and function in the BMW electrical system

The power distribution box in the rear of the body is responsible for organized power routing to selected electrical circuits and their protection through appropriately selected fuses. In the 5 Series G30/G31, this is particularly important due to the extensive onboard electronics, which require stable power supply and correct load distribution.

Its location in the rear area of the vehicle helps shorten cable runs to components mounted in the trunk and rear body section, which reduces voltage drops and facilitates the diagnosis of potential faults. As a result, the electrical system remains clear, serviceable, and consistent with the factory BMW architecture.

Advantages of using an original power distribution box

Choosing an original power distribution unit from the BMW OE group allows for consistency with the factory installation design. This means:

• proper fitment to electrical harnesses and mounting points in the rear body section,
• preservation of the factory protection layout within the fuses and power paths,
• easier diagnostics using standard BMW service procedures,
• reduced risk of communication issues between modules and controllers resulting from improper power distribution.

For the user, this means more stable operation of comfort and safety systems, as well as a lower risk of unplanned power interruptions to individual circuits. Using an original component from the Fuses and fuse boxes category also helps maintain compliance with service documentation and installation diagrams.

Characteristics of the used component

The presented power distribution box is a used component, sourced from vehicle dismantling. Such components are frequently chosen for repairs of premium class vehicles because they allow for the preservation of the original electrical architecture while optimizing costs. In the case of power distribution units, it is crucial that they are passive components, which promotes their long service life when properly installed and protected against moisture.

A used OEM component is particularly attractive in situations where there has been mechanical damage to the box, overheating of contacts, or unauthorized interference with the installation. Replacing it with an original counterpart from dismantling allows for the restoration of factory power path routing without the need for costly harness modifications.

Support in selection and impact on vehicle value

When selecting a power distribution box for a BMW G30/G31, it is worth paying attention to compatibility with the manufacturer's markings and the location in the vehicle. Proper fitment facilitates installation and minimizes the risk of errors in the system. If necessary, you can refer to part numbers and interchangeable numbers, which are detailed in the product's technical specification.

If you want to better understand why using original used components matters for the future resale value of your car, it is worth reading our guide: Original used parts vs. car resale value – how not to lose money?.

Related components from the same group

If you are planning a comprehensive repair or upgrade of the electrical system in the rear of your BMW and need other components from the same group, such as additional boxes, protection modules, or power distributors, check out the available parts in the BMW Fuses and fuse boxes category.