Battery Cable BMW X3 F25 X4 F26 B47 Alternator Starter Base B Cable 8514291

BMW X3 F25 X4 F26 B47 Alternator Starter Cable is an original part from the Cables, Harnesses, and Connectors group, designed for use in the starting and charging system in selected BMW models. This is a practical solution for users who want to restore the proper operation of the alternator and starter, while maintaining the factory characteristics of the electrical system.

Specifications and technical data

• SKU: 8514291
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514291
• Substitutable numbers: 8514291, 12428514291, 8514290
• Category: Wiring Harnesses, Cables & Connectors

Vehicle Application and Function

The presented alternator-starter cable is dedicated to BMW X3 F25 and BMW X4 F26 models with the B47 engine, where it ensures a stable connection between key engine electrical system components. Its function is to provide adequate starting current flow and effectively transfer energy from the alternator to the vehicle's electrical system.

By maintaining the original geometry and mounting points, the cable allows for installation in accordance with the manufacturer's factory specifications, which reduces the risk of improper harness routing or unwanted stress on the system.

Technical Characteristics and Construction

As a part from the Cables, Harnesses, and Connectors category, the alternator-starter cable is designed for operation in the demanding engine bay environment. This includes resistance to elevated temperatures, vibrations, and contact with typical contaminants in this area. The used wire cross-sections and appropriately selected connectors enable safe transfer of high starting currents.

Original terminations and connection points facilitate correct tightening to the alternator, starter, and vehicle ground, which translates to stable electrical parameters and reduced voltage drops during critical engine starting moments.

Benefits of Using an Original Cable

• Factory fit for the electrical system of BMW X3 F25 and X4 F26 with B47 engine.
• Appropriately selected cable length and shape, facilitating harness routing in the engine bay.
• Compatible connectors and terminals, reducing the risk of contact overheating.
• Ability to restore proper starting and battery charging after damage to the original harness.
• Consistency with other elements of the BMW electrical system, without the need for modifications.

Item Condition and Service Application

The offered cable is a used part, making it a sensible choice for service repairs where compliance with factory specifications and cost control are important. This type of part is suitable for both replacing a damaged cable and for comprehensive work within the starting and charging system of BMW X3 F25 and X4 F26 vehicles with the B47 engine.

Selecting the correct alternator-starter cable is crucial for the vehicle's electrical safety, so it is important to pay attention to compatibility with the model, body generation, and installed engine unit.

Expanding Service Work Scope

If you are planning a comprehensive engine area repair or upgrade for your BMW and need other parts from the same group, such as additional power harnesses, ground cables, or starter system connectors, check the available parts in the BMW Cables, Harnesses, and Connectors category.

For users interested in deepening their knowledge on selecting original electrical and lighting components for this brand's cars, the following guide article may be helpful: See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights, which discusses practical aspects of using OEM parts in BMWs.