BMW i4 G26 Hybrid Electric Battery Cell Positive Battery Lead Cable 8846845

BMW i4 G26 Hybrid Electric Battery Cell Positive Battery Lead Cable is an original high-voltage installation component designed for the hybrid-electric system of this model. As part of the Cables, harnesses and connectors group, it ensures a controlled, secure connection between battery modules and other drive components. Using this OEM component allows for maintaining the factory installation architecture and the correct operating parameters of the HV system.

Specifications and technical data

• SKU: 8846845
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8846845
• Substitutable numbers: 8846845, 61278846845
• Category: Wiring Harnesses, Cables & Connectors

The role of the positive cable in the BMW i4 G26 high-voltage system

The traction battery positive cable in the BMW i4 G26 is responsible for transmitting energy from the cells to the other components of the electric drive. A stable connection in this section is crucial for:

• maintaining the proper efficiency of the high-voltage system,
• minimizing energy losses at connections,
• maintaining correct battery charging and discharging parameters,
• meeting the vehicle's electrical safety requirements.

By using an original cable from the Cables, harnesses and connectors group, compliance with the factory BMW installation design is maintained, which facilitates future diagnostics and service.

Construction and fitment for BMW installations

The positive cable in question is a component designed specifically for the electrical architecture of the BMW i4 G26, taking into account battery placement, mounting points, and harness routing. This means:

• factory terminals matched to battery connectors and vehicle installation,
• appropriately selected length and routing geometry,
• integration with the mounting system and brackets in the chassis and technical compartments.

Such fitment reduces the risk of mechanical stress, insulation abrasion, or incorrect cable positioning, which is particularly important in electric and hybrid vehicles.

Benefits of using an original BMW cable

Using an original positive cable in the BMW i4 G26 provides a number of practical service and operational benefits:

• Compatibility with the HV installation – the cable is adapted to the electrical and structural parameters of the traction battery system in this model.
• Consistency with service documentation – facilitates work for workshops using BMW procedures.
• Reduction of assembly error risks – no need for modifications, soldering, or custom terminal fabrication.
• Seamless integration with other harnesses and connectors in the vehicle.

For users and service centers, this means predictable assembly and maintenance of the drivetrain operating parameters in accordance with the manufacturer's specifications.

Application in HV system repairs and upgrades

The BMW i4 G26 traction battery positive cable is suitable for both replacing a damaged section of the installation and for comprehensive work within the electric drive. It is particularly useful when:

• mechanical or thermal damage to the existing cable has occurred,
• reconstruction of a part of the installation is necessary after a collision,
• service work requiring disassembly and reassembly of battery components is being performed.

Using an original component allows for maintaining the consistency of the entire system and reducing the risk of diagnostic errors related to the high-voltage system.

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 power cables, signal harnesses, or service connectors, check out the available parts in the BMW Cables, harnesses and connectors category.

Additional technical support and knowledge

When working with vehicle electrical installations, including high-voltage systems, it is worth using reliable sources of knowledge regarding diagnostics and component selection. In the context of electrical and lighting components, an article describing the selection of used OEM parts may be helpful – you can find it here: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.