BMW i3 I01 High Voltage Battery Charging AC Combi Wiring Harness 3.3 KW 9396545

BMW i3 I01 High Voltage Battery Charging AC Combi Wiring Harness 3.3 KW is a specialized power system component responsible for a safe and stable connection between the AC charging installation and the high-voltage battery. The original BMW design ensures proper current flow, adequate insulation, and a perfect fit for the electrical architecture of the i3 I01 model, which translates into reliable charging system operation and predictable energy replenishment times. This solution is intended for users who expect compatibility with the factory system and stable performance parameters.

Specifications and technical data

• SKU: 9396545
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9396545
• Substitutable numbers: 9396545, 61129396545, KD
• Category: Charging Cables

Purpose and function in the BMW i3 I01 charging system

The presented wiring harness is a component of the AC charging system in the BMW i3 I01, working in conjunction with the high-voltage battery. It is responsible for transmitting energy from the AC charging port to the power modules, maintaining the required electrical safety parameters and the correct sequence of connections. Thanks to the factory BMW design, the harness is matched to the body geometry and component layout, which reduces the risk of mechanical stress and improper cable routing.

Construction and design advantages

The harness has been designed as a complete, integrated solution, including wires with appropriately selected cross-sections, insulation, and factory connectors. The components used are adapted for operation in a high-voltage environment, taking into account the thermal and mechanical requirements typical for electric vehicles. Original connectors ensure secure locking, proper contact, and minimize voltage drops at the connections.

Thanks to the factory specification, the harness works with the AC charging system of a specific power, which allows for maintaining the operating parameters intended by the manufacturer. Such a configuration promotes stability of the charging process and reduces the risk of communication errors between the control modules and the high-voltage battery.

Benefits of using an original BMW wiring harness

Using an original charging wiring harness in the BMW i3 I01 brings a number of practical benefits:

• preservation of the vehicle's factory electrical architecture,
• secure fit of connectors to sockets and modules in the battery compartment and charging zone,
• properly selected insulation and wire cross-section parameters for high-voltage system operation,
• reduced risk of improper installation compared to universal solutions,
• consistency with the diagnostics and control logic of the factory charging system.

For the user, this means more predictable operation of the charging system and easier identification of potential faults in the future, as the installation remains compliant with the manufacturer's documentation.

Condition, origin, and service application

The offered AC charging wiring harness comes from a BMW vehicle and is an item from the Charging cables category. As a used part, it serves as a service solution for BMW i3 I01 owners who want to restore the efficiency of the charging system after mechanical damage, unauthorized interference with the installation, or replacement of other high-voltage system components. Choosing an original dismantled part allows for maintaining compliance with the factory specification while optimizing repair costs.

Integration with other BMW charging system components

The AC charging wiring harness works with other high-voltage system components, such as the charging port, energy conversion modules, and the traction battery. Proper selection and installation of this harness are important for vehicle safety, the correct progress of the charging process, and communication between controllers. In practice, this is a component that should be replaced in case of signs of overheating, mechanical damage to the insulation, or interference with the installation during previous repairs.

If you are planning a comprehensive repair or upgrade of the charging system area in your BMW and need other elements from the same group, such as additional harnesses, connectors, or power cable sections, check the available parts in the BMW charging cables category.

For drivers interested in a broader look at the selection of powertrain components and matching them to their driving style, the following guide article may be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style, which discusses the practical aspects of configuring drivetrain systems.