BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575

The BMW F20 F21 F22 Battery Positive Cable is a component from the Cables, Harnesses, and Connectors category, designed for the power supply system in select BMW F-series models. It ensures a secure, stable connection between the positive terminal of the battery and the vehicle's electrical system, which is crucial for engine starting and the operation of all consumers. A used OEM component is a sensible choice for those seeking a proven solution at an attractive price.

Specifications and technical data

• SKU: 9316575
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9316575
• Substitutable numbers: 61129316575, 9316575
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Role in the BMW Electrical System

The battery positive cable in BMW F20, F21, and F22 is responsible for transmitting starting current and powering the main electrical circuits. A correctly selected cable:

• ensures adequate conductivity under high current loads,
• minimizes voltage drops during starting,
• stabilizes the power supply to control modules and comfort equipment.

By using an original BMW harness, the correct conductor diameter, appropriate length, and factory mounting points are maintained, ensuring seamless integration with the existing system.

Construction and Advantages of the Original Positive Cable

The offered component belongs to the BMW Cables, Harnesses, and Connectors group, meaning it is factory-fitted to the vehicle's electrical architecture. The cable's construction includes:

• a conductor with a diameter selected for the load,
• insulation resistant to temperature and under-hood conditions,
• connectors designed for specific connection points in BMW F20/F21/F22.

This solution reduces the risk of overheating, loose terminals, and improper harness routing, which can be common with aftermarket parts or installations using "universal" cables.

Condition, Installation, and Service Aspects

The cable is used, allowing you to combine original BMW quality with a more favorable purchase cost. Before installation, a standard inspection of the connectors, insulation, and mounting points is recommended to ensure safe and long-lasting operation.

Replacing the battery positive cable is particularly recommended when:

• starting problems occur despite a healthy battery,
• there are signs of overheating or corrosion on the terminals,
• there is mechanical damage to the harness insulation.

Using an original cable from the same model line simplifies installation and maintains the factory routing of the harness, without the need for modifications or soldering additional sections.

Why Choose a BMW Positive Cable for the F-Series

In BMW F-series vehicles, a precisely designed electrical system directly impacts the reliability of comfort, safety, and drivetrain systems. By choosing the original battery positive cable for BMW F20 F21 F22, you gain:

• factory fitment for the specific model platform,
• compatibility with other harness components,
• reduced risk of failures due to improper power supply.

This solution is especially recommended for professional repairs where compliance with service documentation and predictable long-term system behavior are important.

Other BMW Cables, Harnesses, and Connectors and Technical Knowledge

If you are also looking for other BMW Cables, Harnesses, and Connectors for your car, check out the BMW Cables, Harnesses, and Connectors available in our store to select complete solutions for your vehicle's electrical system.

When planning vehicle service or upgrades, it's worth understanding the specifics of the brand's engines – the article BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels and Used Parts Costs can be helpful, allowing for a better understanding of the relationship between engine choice and component availability, including electrical system parts.