BMW G30 G31 LCI High Voltage Battery Cable Wiring Harness Loom SLE - EME 6823573

BMW G30 G31 LCI High Voltage Battery Cable Wiring Harness Loom SLE - EME is a specialized high-voltage wiring harness designed for the high-voltage system in facelifted BMW 5 Series models. Its original BMW origin ensures a perfect fit for the installation and full compatibility with the vehicle's factory electrical architecture. Using a component of this class allows for a technically correct repair or replacement of a section of the HV installation without interfering with the vehicle's design.

Specifications and technical data

• SKU: rhd-6823573
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6823573
• Substitutable numbers: 6823573, 61126823573
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented harness belongs to the Cables, harnesses, and connectors group and is responsible for the safe routing of high-voltage cables between the components of the high-voltage power system in the facelifted (LCI) BMW G30 and G31. The design is prepared for integration with the EME control module and other high-voltage system components, which helps maintain the correct operating parameters of the drivetrain.

The original architecture of connectors, shielding, and cable routing allows for:

• maintaining proper insulation of high-voltage circuits,
• preserving the factory cable routing path in the engine bay and chassis,
• correct cooperation with control equipment and HV safety systems.

Advantages of using an original BMW harness

Using an original high-voltage harness in the BMW G30/G31 LCI is crucial for the safety and reliability of the entire system. This component has been designed for a specific vehicle platform, ensuring that it:

• provides the correct fit for cable length and geometry to factory mounting points,
• maintains an appropriate level of protection against mechanical damage and temperature influence,
• minimizes the risk of communication interference between control modules and the drivetrain.

For hybrid or electric vehicles, it is particularly important that the high-voltage cables come from the same technological line as other installation components, which facilitates future diagnostics and service.

Component condition and installation aspects

The harness is offered as a used part, which in practice means the possibility of an economical repair of the high-voltage system while maintaining original manufacturing quality. Such components are particularly useful for:

• local HV installation damage (e.g., mechanical damage to a cable section),
• the need to restore the factory cable routing after bodywork repairs,
• servicing accident-damaged vehicles where a section of the harness has been compromised.

Due to the nature of the high-voltage system, installation by a specialized service center with experience in working with HV installations in BMW vehicles is recommended. Proper harness routing, inspection of mounting points, and verification of connector condition are essential for safe operation.

Safety and compatibility with the HV system

The high-voltage harness in the BMW G30/G31 LCI works with the vehicle's energy management system, which is why its design accounts for requirements regarding insulation, shielding, and resistance to operating conditions in the engine bay and chassis. The original connectors are prepared for integration with the EME module and other system components, which reduces the risk of compatibility issues.

Using dedicated elements from the Cables, harnesses, and connectors group in hybrid or electric vehicles helps maintain stable system operating parameters and facilitates subsequent diagnostic procedures using factory BMW service tools.

Expanding the scope of BMW electrical system repairs

If you are planning a comprehensive repair or upgrade of your BMW's high-voltage electrical system and need other components from the same group, such as additional harnesses, signal cables, or service connectors, check out the available parts in the BMW Cables, harnesses, and connectors category.

For users interested in a broader perspective on the use of aftermarket components in the automotive industry, including vehicles of related brands, the article describing practical aspects of selecting and installing used components may be helpful – you can find it here: Volkswagen – solidity and reliability. Why are used VW parts a sensible choice?.