BMW 1 Series F40 Grommet Trunk Lid Right O/S 8782072 61138782072

BMW 1 Series F40 Grommet Trunk Lid Right O/S is an original electrical installation component designed to guide and protect the wiring harness within the trunk lid on the right side of the vehicle. Thanks to its factory-fit design for the BMW F40 body, it ensures stable wire routing, reducing the risk of abrasion, kinking, and leaks in this critical area. This is a practical solution for users who want to restore the proper operation of the electrical system in the rear of the vehicle without compromising on assembly quality.

Specifications and technical data

• SKU: 8782072
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8782072
• Substitutable numbers: 61138782072, 8782072, EM
• Location on the vehicle: Right
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The described grommet is a body component responsible for routing the electrical harness between the chassis and the trunk lid on the right side. Its tasks include:

• sealing the wire passage between the lid and the body,
• protecting the harness against moisture, dirt, and mechanical damage,
• stabilizing the wires during the opening and closing of the lid,
• reducing stress at wire bending points.

Thanks to its proper shape and fit to the BMW 1 Series F40 design, this component helps maintain the proper operation of the lighting, lock, and other electrical consumers located in the trunk lid.

Construction and fit for the BMW 1 Series F40

The grommet has been designed specifically for the BMW 1 Series F40 body, which translates into a precise fit with the mounting holes in the chassis and the lid. The component's design takes into account:

• a profile matched to the geometry of the right side of the trunk lid,
• appropriate flexibility allowing for repeated bending during lid operation,
• a shape that limits the risk of the harness kinking at a single point.

Such a solution allows for maintaining factory wire routing, which is important both from the perspective of reliability and the subsequent diagnostics of potential electrical faults.

Service application and benefits of installation

Replacing the trunk lid grommet on the right side is particularly recommended in situations where problems arise with:

• intermittently failing license plate lighting or trunk lid lamps,
• a malfunctioning lock or trunk release button,
• visible cracks, perishing, or loss of seal of the existing grommet.

Using an original component dedicated to the BMW 1 Series F40 allows for reducing the risk of recurring faults resulting from improper harness routing. This solution is particularly beneficial for users who expect consistency with the vehicle's factory design and easier serviceability in the future.

Vehicle placement and installation aspects

The grommet is intended for installation on the right side of the trunk lid, at the location of the factory harness passage between the lid and the chassis. During installation, it is worth paying attention to:

• correct arrangement of wires inside the grommet,
• precise seating of the ends in the chassis and lid sockets,
• checking the free movement of the harness when the lid is fully opened and closed.

Properly performed installation allows for maintaining the tightness of the passage and the stability of the harness, which has a direct impact on the durability of the entire system in the rear part of the vehicle.

If you are planning a comprehensive repair or upgrade of the rear zone in your BMW and need other elements from the same group, such as additional bushings, harness covers, or small mounting components, check the available parts in the Other BMW category.

Substantive support and project development

When planning work on electrical installations and upgrading systems in premium segment cars, it is worth using reliable sources of knowledge. For a comparison of design solutions, engine characteristics, and accompanying systems in luxury class vehicles, you can refer to an article discussing the differences between sports and standard versions of models from the VAG group: Audi RS vs other models – what is hidden under the hood and chassis?. Such materials help to better understand the relationships between components and consciously plan further modifications and repairs in your car.