B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140

B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit is a specialized electrical system component designed for the rear section of the BMW X3 F25 vehicle. It is responsible for stable power distribution between key circuits, which directly impacts the safety and reliability of the electrical system. The characteristic red color facilitates component identification during diagnostics and service work.

Specifications and technical data

• SKU: 9343259
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9343259
• Substitutable numbers: 61149343259, 9343259, 61149206140, 9206140
• Location on the vehicle: Rear
• Color: Red
• Category: Fuses & Fuse Boxes

Purpose and function in the electrical system

The power distribution box in the BMW X3 F25 operates in the rear part of the vehicle, where many power circuits are concentrated. Its tasks include:

• orderly distribution of electrical energy to individual consumers,
• ensuring the appropriate power path for components protected by Fuses and fuse boxes,
• facilitating service inspections and potential system expansion.

This type of component is particularly important in vehicles with extensive electronics, where voltage stability and proper wiring routing affect the correct operation of many comfort and safety systems.

Design, color scheme, and placement

The element has been designed for installation in the rear body zone, which allows for shorter cable runs and better organization of electrical harnesses. The red color of the housing or main parts of the distribution box:

• facilitates quick location of the component in the mounting compartment,
• reduces the risk of errors during service work,
• supports the readability of the electrical system in documentation and during diagnostics.

Placement in the rear of the vehicle promotes optimal cable routing to consumers located in the trunk and surrounding areas, which translates into a more organized and predictable installation architecture.

Compatibility and identification parameters

The distribution box has been developed for use in the BMW X3 F25, maintaining manufacturer standards regarding geometry, mounting points, and electrical interface. Thanks to this:

• it fits factory wiring harnesses without the need for modifications,
• it maintains compatibility with the original power system architecture,
• it allows for the preservation of factory installation operating parameters.

The product has assigned part numbers and interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and service systems, and minimizes the risk of selecting an incorrect element.

Condition, origin, and service application

The offered power distribution box is a part from the BMW line, intended for reinstallation in a vehicle. This type of component is particularly useful in situations where:

• mechanical or thermal damage to the existing distribution box has occurred,
• the electrical system was repaired after a collision in the rear of the vehicle,
• replacement of the element is necessary as part of power supply fault diagnostics.

Using an original solution from the Fuses and fuse boxes group allows for maintaining the structural consistency of the electrical system and limiting the risk of compatibility issues.

Selection support and additional materials

If you are planning a comprehensive repair or modernization of the electrical system area in the rear of your BMW and need other elements from the same group, such as additional power modules, box housings, or service connectors, check the available parts in the BMW Fuses and fuse boxes category.

For users interested in a broader context of operating cars of this brand, including potential repair costs for power units, the following guide article may be helpful: Troublesome BMW E90 engines – a practical guide to problematic units.