BMW F30 Boot Lid Hinge Left N/S Trunk Lid Tailgate Hinge Arm Alpinweiss 3 - 300

BMW F30 Trunk Hinge Arm Left is an original body part from the Trunk Lid & Tailgate group, designed for precise operation with the trunk lid in F30 series models. This used, factory component ensures correct hinge geometry, stable lid guidance, and maintains factory panel gaps and body lines.

Specifications and technical data

• SKU: 7420783-AW
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7420783
• Substitutable numbers: 41007420783, 7420783, 41007286957, 7286957, 41007298067, 7298067, 7420781
• Location on the vehicle: Left
• Color: Alpinweiss 3 - 300
• Category: Boot & Hatch Lids

Hinge Arm Purpose and Function

The left-side trunk hinge arm is responsible for the controlled opening and closing of the trunk lid, transferring the load from the lid to the body structure. A correctly selected part allows for:

• smooth lid movement without jamming,
• proper lid positioning relative to the fenders and bumper,
• stable mounting for long-term use.

By maintaining the factory design, the arm works with original mounting points and actuators, facilitating installation and subsequent adjustment.

Color and Visual Fitment

The part is finished in Alpinweiss 3 - 300 paint, characteristic of many BMW F30 models. For bodywork in the same color, this often reduces the scope of painting work, shortening repair time and lowering costs. Even if repainting is planned, retaining the original coating simplifies surface preparation.

Vehicle Placement and Installation Aspects

The arm is intended for the left side of the vehicle, which is crucial for correct installation and cooperation with the right-side hinge. The design is prepared for installation in factory mounting points, ensuring:

• correct lid operating geometry,
• no need for body modifications,
• lid positioning adjustment within the standard range specified by the manufacturer.

Before installation, it is recommended to inspect the condition of the body mounting points and cooperating components to fully utilize the part's potential.

Characteristics of a Used Part

As a used part, the trunk hinge arm offers a sensible compromise between repair cost and maintaining original BMW quality. Its factory origin promotes proper fitment with the lid and body, as well as compatibility with other components of the trunk opening system. This is a practical solution for collision repairs, geometry corrections, or replacing a damaged hinge.

Compatibility within the Parts Group

The arm has a dedicated OEM part number and associated replacement numbers, which simplifies verifying compatibility with specific BMW F30 configurations. When selecting a part, it is advisable to compare the markings with the currently installed part or vehicle documentation to ensure the design and mounting points are identical to the factory solution.

If you are planning a comprehensive repair or upgrade of the rear body area on your BMW and need other parts from the same group, such as hinges, arms, or complete trunk lift mechanisms, check the available parts in the BMW Trunk Lid & Tailgate category.

For drivers interested in a broader approach to vehicle maintenance and repair, useful information on the cost-effectiveness of using aftermarket components can be found in the article When is it Worth Replacing an Alternator with a Used One: A Practical Guide for Drivers, which discusses practical aspects of choosing used parts.