Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i

Cable Wiring BMW E81 E87 Petrol N43 Positive Battery Lead Petrol 116i 118i 120i is an original electrical system component designed for the 1 Series LCI models. This component from the Cables, wiring harnesses and connectors group ensures a stable connection between the positive battery terminal and the vehicle's electrical system, which translates into reliable starting and proper operation of onboard systems.

Specifications and technical data

• SKU: 9125030
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9125030
• Substitutable numbers: 61129125030, 9125030, 61126929709, 6929709, 6929710
• Fuel type: Petrol
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the positive battery cable

The positive battery cable in the version dedicated to BMW E81 and E87 LCI with petrol engines is responsible for the safe and efficient transmission of starting current and powering the main electrical consumers. The properly selected cable diameter, robust insulation, and factory-fitted connectors minimize voltage drops and reduce the risk of overheating connections.

The component is structurally matched to the factory mounting points in the body, which facilitates routing the cable according to the original path and helps maintain order in the engine compartment and around the battery area.

Benefits of using an original BMW cable

Using an original cable from the Cables, wiring harnesses and connectors group allows you to maintain compliance with the factory BMW electrical system specifications. Thanks to this:

• you maintain the correct power parameters for the starter and electronic control units,
• you reduce the risk of starting problems at low temperatures,
• you ensure the proper operation of comfort and safety systems,
• you avoid makeshift wiring modifications that can lead to faults.

This solution is particularly recommended when replacing a worn, overheated, or mechanically damaged positive cable in petrol-powered cars.

Condition of the component and practical application

The offered cable is a used part, which in the case of original BMW components allows you to combine an attractive cost with the preservation of factory build quality. The cable will work well both for standard replacement of a worn component and during post-accident repairs within the vehicle's front electrical system or battery compartment.

Selecting the right positive cable for a specific body version and engine unit is facilitated by the manufacturer's markings and assignment to the appropriate fuel type. This allows you to precisely match the part to the car's configuration without the need for installation modifications.

Support with selection and additional information

In case of doubts when selecting a cable for a specific version of the BMW 1 Series, it is worth paying attention to the manufacturer's markings, fuel type, and body generation (LCI). This data helps avoid installation incompatibilities and ensures proper cable routing in the vehicle.

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

Additional tips regarding the inspection of the electrical system and other consumable components before the low-temperature season are provided in the guide: Winter essentials: which used car parts are worth checking and replacing before the frost?.