BMW 3 F30 LCI 330e B48X HV Accumulator Battery Positive Cable Ground 7544894

BMW 3 F30 LCI 330e B48X HV Accumulator Battery Positive Cable Ground is an original electrical system component designed for the hybrid system with the B48X engine. As part of the Cables, wiring harnesses, and connectors group, it ensures a stable connection between the HV battery positive terminal and the vehicle's electrical system, which is crucial for the safe operation of the hybrid drive. Using an OEM part allows for maintaining the factory wiring architecture and the correct electrical conductivity parameters in the high-voltage system.

Specifications and technical data

• SKU: 7544894
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7544894
• Substitutable numbers: 61277544894, 7544894, EM
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the hybrid system

This HV battery positive cable is specifically designed for the BMW 3 Series F30 LCI 330e with the B48X unit. It is responsible for transmitting energy from the high-voltage battery to other system components, which is why its construction is adapted to the current loads typical for plug-in hybrid drives.

The factory cable routing, properly selected wire cross-sections, and dedicated connectors allow for maintaining correct electrical parameters and reducing voltage drops. As a result, the hybrid system maintains operational stability both during charging and intense acceleration.

Construction and fitment for BMW installations

The cable belongs to the group of components mounted in the high-voltage zone, where insulation resistance, proper shielding, and precise fitment with factory mounting points are essential. The connectors used are compatible with original BMW sockets, which facilitates installation and reduces the risk of connection errors.

The original cable ends are prepared for operation in the battery compartment environment and wiring harness channels, ensuring a secure contact and adequate protection against external factors. Thanks to this, the component integrates well with the existing installation without the need for modifications or the use of adapters.

Benefits of using an original cable

• Factory compatibility with the electrical system of the BMW 3 F30 LCI 330e with the B48X engine, with no need for wiring modifications.
• Maintenance of the manufacturer-designed current conductivity parameters in the high-voltage circuit.
• Consistency with vehicle safety systems, including those monitoring the status of the HV battery.
• Easier service diagnostics due to the preservation of the original cable and connector architecture.

Condition of the component and service application

The offered cable is a used part, which allows for an economical repair of the high-voltage system while maintaining the original manufacturer's specifications. This is a practical solution in situations where there has been mechanical damage to the cable, overheating of the terminals, or a need to replace a section of the installation after a collision.

Replacing the HV battery positive cable is recommended in the event of visible insulation damage, signs of corrosion on the connectors, or irregularities detected by the vehicle's diagnostic system. Using an original component helps restore proper operating conditions for the hybrid system and reduces the risk of failures related to the high-voltage circuit.

Expansion and service of the BMW electrical system

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

For owners of older models and hybrids who want to consciously use used components, practical tips on selecting and verifying parts may be useful. More information on how to properly rejuvenate a car using proven second-hand parts can be found in the article The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.