BMW G20 320i Fuse Relay Box Control Unit Rear Power Distribution 8715719

The BMW G20 320i Rear Power Distribution Module is an original fuse box control unit responsible for stable power distribution in the rear of the vehicle. This component works with the body's electrical system, ensuring control over the power circuits for the equipment located at the rear of the car. Thanks to BMW's factory design, the module guarantees a perfect fit for the wiring harnesses and electrical architecture of the G20 320i model, facilitating installation and subsequent operation.

Specifications and technical data

• SKU: 8715719
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8734162
• Substitutable numbers: 8734162, 61148734162, 8715719
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Purpose and Function in the Electrical System

The presented fuse box control unit has been specifically designed for operation in the rear of the BMW 3 Series G20 320i. It is responsible for managing power distribution among individual circuits, working in conjunction with fuses and relays that control elements such as lighting, comfort features, and selected body systems. Its placement in the rear zone of the vehicle reduces the length of power supply cables, leading to lower voltage drops and more stable operation of the receivers.

As a component from the Fuses and Fuse Boxes group, the module acts as a central energy distribution point in this part of the car, integrating protective functions (fuses) with control functions (relays and control electronics).

Construction and Integration with BMW Electrical System

The unit is constructed as a complete solution for the rear electrical system, featuring factory-provided sockets for fuses and relays, as well as connectors for wiring harnesses. The arrangement of connectors is consistent with the BMW G20 320i architecture, allowing for direct connection to the original wiring without the need for modifications. The module's housing is designed for installation in its dedicated location at the rear of the body, taking into account protection against typical operational loads in this area.

The original BMW manufacturing ensures consistency with factory electrical diagrams, which simplifies diagnostics, servicing, and potential future equipment upgrades within the scope provided by the manufacturer.

Benefits of Using an Original Power Distribution Unit

Using a factory power distribution module in the BMW G20 320i allows for adherence to the vehicle manufacturer's design parameters. Key advantages include:

• a secure fit with original wiring harnesses and mounting points at the rear of the body,
• preservation of the factory power distribution logic and protection,
• easier diagnostics using standard BMW service tools,
• reduction of installation errors typical of non-original solutions.

As a result, the module serves as a functional service solution for repairs of the electrical system in the rear of the vehicle, especially after mechanical damage, water ingress, or system failures.

Condition, Verification, and Service Application

The offered power distribution unit is a used part, sourced from disassembly, which allows for economical repair of the electrical system while maintaining the original BMW specifications. Before reinstallation, a standard inspection of the connectors, fuse and relay sockets, and proper seating in the dedicated location at the rear of the body is recommended.

To maximize the potential of used parts and minimize wear during further operation, it is advisable to consult practical maintenance tips – you can find them in the article How to Extend the Lifespan of Used Car Parts?.

BMW Fuses and Fuse Boxes – Rear Electrical System Expansion and Service

If you are planning a comprehensive repair or upgrade of the rear electrical system area in your BMW and require other components from the same group, such as additional power distribution modules, fuse box housings, or complete fuse sets, check the available parts in the BMW Fuses and Fuse Boxes category.