Description
BMW i3 I01 Hybrid High-Voltage Battery Harness is a specialized component of the electrical system, designed for BMW i3 hybrid and electric vehicles. It offers precise connection of the high-voltage battery to other drive components, ensuring stable energy conduction and safe operation of the entire system. Thanks to its construction compliant with factory BMW standards, the harness is the right choice for professional repair or replacement of high-voltage system components.
Specifications and technical data
- SKU: 6840441
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6840441
- Substitutable numbers: 6840441, 61126840441, 9394657, 61129394657
- Category: Charging Cables
Purpose and Function in the High-Voltage System
The high-voltage battery harness is responsible for transmitting energy between the traction battery and key electric drive sub-assemblies in the BMW i3 I01 Hybrid. A correctly selected component from this group minimizes voltage drops, reduces the risk of connector overheating, and supports stable operation of the inverter and other power modules.
As a component from the Charging Cables category, the product is designed for operation in an environment of high currents and voltages, maintaining proper insulation and resistance to operating conditions typical for electric and hybrid vehicles.
Benefits of Using an Original BMW Harness
Using a harness from the vehicle manufacturer allows for maintaining the integrity of the entire electrical system. This means:
- maintaining the factory routing geometry of the cables in the battery compartment and chassis,
- proper fit of connectors to battery terminals and power modules,
- maintaining energy conduction parameters consistent with BMW’s engineering design,
- reducing the risk of installation errors resulting from the use of non-original solutions.
For electric and hybrid vehicles, it is particularly important that the high-voltage system components are fully compatible with each other. An original BMW harness supports correct cooperation with safety systems and onboard diagnostics.
Performance and Installation Characteristics
The product comes from the group of BMW OEM components, which in practice translates to predictable performance during operation and the possibility of installation in place of the factory harness without the need for electrical modifications. This facilitates service work and reduces vehicle downtime.
The harness is intended for use in BMW i3 I01 Hybrid models where maintaining the correct high-voltage cable routing path and proper connector positioning relative to the traction battery is required. Precise fit reduces mechanical stress on the cables and connectors, which is important for the long-term reliability of the system.
Product Condition and Practical Aspects
The offered high-voltage battery harness is a used part, allowing for economical vehicle repair while maintaining the original BMW construction. This type of solution is often chosen by professional services specializing in electric vehicles, where both technical compliance and rational service costs are important.
For users considering broader use of used parts in drivetrain repairs, an expert guide describing the facts and myths related to such components may be helpful – you can find more information in the article Why Buy Used Gearboxes and Engines – Facts Instead of Myths.
Expansion of the BMW High-Voltage Cable System
If you are planning a comprehensive repair or upgrade of the high-voltage installation area in your BMW and need other components from the same group, such as additional harnesses, power cables, or sections connecting the battery to power modules, check the available parts in the BMW Charging Cables category.
By using components from the same product group, it is easier to maintain the technical consistency of the entire system, which is important for both safety and subsequent service diagnostics.
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