Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776

BMW E81 X1 E84 E87 E90 N52 Starter Alternator Cable is an original part from the Cables, Harnesses, and Connectors category, designed for the starting and charging system in selected BMW models with an N52 engine. The used cable ensures factory-standard current routing between the starter and alternator, contributing to stable electrical system operation and proper battery charging.

Specifications and technical data

• SKU: 7567776
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7567776
• Substitutable numbers: 12427567776, 7567776, 12427542492, 7542492, 51177183712, 7183712, 51174391480, 4391480, 51177034279, 7034279
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the BMW Electrical System

The starter and alternator cable in BMW E81, X1 E84, E87, and E90 models with the N52 engine is responsible for the safe and efficient transmission of high starting current and charging current. A correctly selected component:

• ensures proper conductivity between the starter, alternator, and the vehicle's electrical system,
• limits voltage drops during engine starting,
• supports stable operation of the charging system under typical operating conditions.

By maintaining the original geometry and mounting points, the cable is designed to fit the factory wiring harness route in the engine bay, facilitating installation and minimizing the risk of chafing or overheating.

Advantages of Using an Original BMW Cable

Using a cable from the original BMW line ensures compliance with the vehicle's factory technical documentation. In practice, this means:

• appropriately selected conductor cross-section for starter and alternator loads,
• insulation adapted for engine bay operation (temperature, vibrations, contact with operating fluids),
• factory-made ends and connectors that interface with the original connection points in BMW E81, X1 E84, E87, E90.

This solution reduces the need for electrical system modifications, helps maintain the electrical parameters specified by the manufacturer, and simplifies future fault diagnostics.

Condition, Verification, and Service Application

This part is from a dismantled vehicle and is offered as a used BMW starter and alternator wiring cable. This type of part is particularly useful in situations where:

• the original cable has suffered mechanical damage (chafing, insulation crack),
• there are starting or charging problems caused by excessive voltage drops,
• the harness needs replacement after bodywork repairs or interventions in the engine bay.

Choosing a used OEM cable is a cost-effective service solution, allowing for the preservation of the original electrical system design while reducing costs compared to a new part.

Compatibility and Reference Numbers

The cable is designed to work with the N52 engine in selected BMW 1 Series, X1, and 3 Series models. It has a dedicated OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration in service catalogs. Before purchasing, it is advisable to compare the markings with your car's documentation or consult a mechanic to confirm suitability for your specific VIN.

BMW Cables, Harnesses, and Connectors – Selecting the Right Parts

If you are looking for other BMW Cables, Harnesses, and Connectors to expand or repair the electrical system in your car, check out the BMW Cables, Harnesses, and Connectors available in our store to select parts that comply with the manufacturer's factory standards.

For users planning comprehensive service work on the electrical system, air conditioning, or heating system, a guide on our blog may be helpful – especially regarding the selection of used OEM components and maintenance schedules. More practical tips can be found in the article Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort.