BMW i3 I01 High Voltage Air Con Compressor A/C Cable Wiring Harness 6840446

BMW i3 I01 High Voltage Air Con Compressor A/C Cable Wiring Harness is a specialized component from the Cables, wiring harnesses and connectors group, designed to support the high-voltage air conditioning system in an electric vehicle. This component ensures a secure, stable electrical connection between the A/C compressor and the high-voltage installation, which is crucial for the safe operation of the entire system.

Specifications and technical data

• SKU: 6840446
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6840446
• Substitutable numbers: 6840446, 61126840446, 9394654, 61129394654
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the high-voltage system

The presented wiring harness is dedicated to the BMW i3 I01 model and works with the high-voltage air conditioning compressor. It is responsible for transferring power and control signals between the compressor and the rest of the installation, while maintaining proper insulation and resistance to the loads characteristic of HV systems in electric vehicles.

Thanks to the factory OEM design, the harness maintains the correct cable routing, appropriate mounting points, and matched connectors, which reduces the risk of installation errors and improper cable placement in the powertrain compartment.

Construction and advantages of using an original wiring harness

The harness belongs to the Cables, wiring harnesses and connectors group, which means it has been designed for stable cable routing, protection against mechanical damage, and ensuring proper electrical insulation. Using an original BMW solution allows you to maintain:

• factory connector types matched to the high-voltage A/C compressor,
• the correct length and geometry of the cables,
• the mounting and routing points intended by the manufacturer,
• consistency with other high-voltage installation components.

This approach facilitates diagnostics, service, and any further work on the air conditioning system and HV installation, and also helps maintain compliance with factory safety standards.

Component condition and installation aspects

The offered harness is a used original BMW component, which in practice means maintaining factory specifications while being cost-effective compared to new parts. This type of part is particularly useful for post-accident repairs, replacing a damaged high-voltage A/C compressor installation, or restoring full system functionality after a compressor failure.

Thanks to the factory connectors and fitment for the specific BMW i3 I01 configuration, installation proceeds in a manner similar to the manufacturer's service procedures. In practice, this means:

• no need to modify the installation,
• easier cable routing according to the original path,
• maintaining compatibility with other high-voltage air conditioning system components.

Benefits of using original BMW Cables, wiring harnesses and connectors

Using an original wiring harness in a BMW i3 I01 translates into a number of practical benefits. The most important include:

• Consistency with the factory installation – the harness was designed specifically for this model, which minimizes the risk of improper connection.
• High-voltage system safety – proper insulation and cable construction are crucial for the operation of the air conditioning compressor in an electric vehicle.
• Repair cost savings – a used OEM component allows you to reduce service costs while maintaining the correct system operating parameters.

A component selected in this way will work well both for standard replacement of a damaged harness and for more extensive service work related to the high-voltage air conditioning system.

System expansion and selection of related components

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

If you are interested in the broader context of using premium used components and want to better understand how the use of original parts from dismantling affects the costs and quality of repairs, it is worth reading the article: Used parts for Mercedes – original components from dismantling.