BMW 1 Series F40 Grommet Trunk Lid Left N/S 8782071

BMW 1 Series F40 Grommet Trunk Lid Left N/S is an original electrical installation component designed to route and protect the wiring harness within the left side of the trunk lid. Thanks to its factory fitment for the F40 body, it ensures stable cable routing, reduces the risk of insulation abrasion, and supports the proper operation of the trunk lid lighting and equipment. As a used OEM BMW part, it provides a functional service solution for repairs to the vehicle's rear electrical system.

Specifications and technical data

• SKU: 8782071
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8782071
• Substitutable numbers: 61138782071, 8782071, PK
• Location on the vehicle: Left
• Category: Other Interior Parts & Accessories

Purpose and technical function

The trunk lid grommet on the left side of the BMW 1 Series F40 is responsible for routing the electrical harness between the body and the trunk lid. Its flexible construction limits cable stress during opening and closing, which reduces the risk of mechanical damage and power supply disruptions to the lights, lock, or sensors.

The left-side placement allows for precise alignment with factory mounting holes and the original harness path, facilitating installation and maintaining a proper seal where the harness passes through the bodywork.

Benefits of using an original grommet

Using an original grommet in the BMW 1 Series F40 translates into a number of practical service and operational benefits:

• maintaining the factory harness path within the trunk lid area,
• reducing the risk of wire insulation cracking during frequent trunk lid operation,
• improved protection against moisture and contaminants at the harness entry point,
• easier diagnostics and maintenance of the electrical system in the rear of the vehicle.

As a result, the grommet is suitable for both repairs following mechanical damage and for replacing installation components in the trunk lid area.

Part condition and service application

The offered grommet is a used part, sourced from dismantling, which allows for the preservation of the original geometry and material characteristics consistent with BMW factory standards. This is a practical solution for repairs where matching the specific model and body version is crucial, without the need to adapt universal replacements.

The part is intended for users and workshops that expect consistency with the factory installation while aiming to optimize the costs of repairing the rear of the vehicle.

Integration with other BMW rear body components

The left-side trunk lid grommet works in conjunction with the electrical harness, lights, lock, and other trunk lid components, influencing the reliability of the entire system. Proper installation and cable routing in this area are important for:

• stable operation of the rear lighting,
• correct functioning of the lock and any sensors,
• limiting faults resulting from wire abrasion or kinks.

This is particularly important in vehicles used intensively, where the trunk lid is opened and closed frequently.

If you are planning a comprehensive repair or upgrade of the rear area of your BMW and need other parts from the same group, such as electrical harnesses, connectors, or grommet covers, check out the available parts in the Other BMW category.

Support with selection via OEM numbers

Selecting the right trunk lid grommet for the BMW 1 Series F40 should always be based on OEM numbers and the actual placement on the vehicle. This helps avoid installation issues and ensures full compatibility with the bodywork and electrical system of your specific vehicle.

If you want to streamline the verification process and make better use of manufacturer markings when shopping online, a practical guide on checking component compatibility via OEM numbers and paint codes will be helpful, available in the article Risk-free online parts shopping – 5 proven ways to verify component compatibility.

Summary

BMW 1 Series F40 Grommet Trunk Lid Left N/S is an original, used electrical installation component designed for use in the rear of the body on the left side. It ensures proper harness routing, supports the protection of wires against damage, and facilitates the maintenance of lighting and trunk lid equipment. It is a functional choice for users and workshops that prioritize maintaining the factory assembly standard in the F40 generation BMW 1 Series.

To better understand the structural differences between sports and standard vehicle versions and the importance of properly selected body and chassis components, you can read the article Audi RS vs other models – what is hidden under the hood and chassis?, which discusses the impact of specific technical solutions on vehicle operation.