BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490

BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear is a specialized electrical system component designed for installation in the rear section of BMW F-series vehicles. It is responsible for the stable distribution of B+ power to key electrical consumers, ensuring safe and predictable operation of the electrical system. This used OEM component is a sensible choice for professional repairs or restoring the full functionality of the factory installation.

Specifications and technical data

• SKU: 9240490-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9240490
• Substitutable numbers: 61149240490, 9240490, EM, 61142464211, 2464211
• Location on the vehicle: Rear
• Category: Fuses & Fuse Boxes

Purpose and function in the BMW electrical system

The B+ terminal power distribution box in BMW F01/F10 models acts as a central point for positive voltage distribution in the rear of the vehicle. This component:

• connects the power cable from the battery to the rest of the electrical system,
• enables controlled branching of power circuits,
• works in conjunction with components from the Fuses and fuse boxes group,
• reduces the risk of voltage drops and localized overheating of connectors.

As a result, the electrical system maintains proper stability, which is crucial for both comfort systems and body electronics.

Design and vehicle placement

The distribution box is structurally adapted for installation in the rear area of the vehicle, in accordance with the original BMW design. Its placement in this area:

• shortens the cable path between the battery and the main circuits,
• facilitates service and diagnostics of the electrical system,
• ensures predictable harness routing and proper mechanical strain relief for the connectors.

The component is designed to work with original harnesses and mounting points, which promotes trouble-free installation without the need for modifications to the electrical system.

Benefits of using an original power distribution box

Using an original B+ terminal in a BMW F01/F10 allows for maintaining the consistency of the entire electrical system. Key advantages include:

• Factory compatibility with the BMW electrical system – matched sockets, geometry, and connection points.
• Stable current conduction parameters, essential for high momentary loads.
• Reduction of the risk of improper connections, typical with universal solutions.
• Ability to maintain original harness routing and the aesthetics of the mounting compartment.

For users expecting predictable vehicle electronics behavior, choosing an original distribution box is a technically safe and long-term cost-effective solution.

Condition, verification, and service application

The offered power distribution box comes from the group of used BMW components, which allows for reducing repair costs while maintaining OEM part characteristics. This type of element is particularly useful in situations where:

• mechanical or thermal damage to the existing B+ terminal has occurred,
• there are power supply issues in the rear of the vehicle,
• replacement of the component is necessary after a collision or interference with the electrical system.

Before installation, it is recommended to perform a standard inspection of the contacts, insulation, and mounting integrity to fully utilize the part's potential and ensure stable operation of the electrical system.

System expansion – BMW Fuses and fuse boxes

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

For those interested in the broader context of car modernization and the use of used parts in tuning or restoration projects, the article describing the evolution of a popular hot-hatch may be helpful – Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.