BMW 3 Series E93 E93N LCI Gas Pressurized Spring Trunk Lid Boot Lid Strut

BMW 3 Series E93 E93N LCI Gas Pressurized Spring Trunk Lid Boot Lid Strut is an original component from the Trunk lids and rear parts group, designed for precise operation with the rear lid of the 3 Series convertible. It provides controlled support and smooth guidance of the lid, which translates into convenient trunk usage and stable operation of the rear body mechanism.

Specifications and technical data

• SKU: 7129215
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7129215
• Substitutable numbers: 51247129215, 7129215
• Category: Boot & Hatch Lids

Purpose and function of the strut

The gas pressurized spring is responsible for assisting in opening and maintaining the trunk lid in the correct position in the BMW 3 Series E93. Thanks to its design, it stabilizes the movement of the lid, reduces stress on the hinges, and minimizes the risk of the lid falling suddenly. A properly selected component of this type affects daily usability and user safety during loading and unloading of luggage.

As a part from the Trunk lids and rear parts group, the strut works with the hinges, lock, and other mounting elements, creating a cohesive system responsible for the operation of the rear lid. Replacing a worn-out strut with a functional component allows for restoring the factory operating characteristics of the lid and reducing excessive structural loads.

Technical characteristics and fitment

The offered strut is a component intended for a specific application in BMW, which means it is matched in terms of working length, stroke, and support force to the geometry of the trunk lid in the E93 body. Using a part that meets the manufacturer's requirements allows for maintaining the correct opening and closing line of the lid, without the need for modifying mounts or interfering with the bodywork.

The product has an assigned OEM part number and associated interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before installation, it is worth comparing the markings with the currently installed component or service documentation to ensure that the strut will work with the existing hinge and mounting system.

Condition of the component and assembly aspects

The strut is offered in used condition, which means it comes from dismantling and has been verified for suitability for further use. This type of component is a good solution for repairs where maintaining the original specification while optimizing service costs is important.

In most cases, the installation of the strut comes down to working on factory mounting points, which allows for relatively efficient replacement in workshop conditions. It is recommended to install in pairs or check the second strut to ensure even operation of the lid and minimize differences in support force on both sides.

Benefits of using an original BMW strut

Using an original strut in a BMW E93 allows for maintaining the predictable operating characteristics of the trunk lid, in accordance with the manufacturer's assumptions. In practice, this means:

• stable holding of the lid in the open position,
• more controlled movement during closing,
• less load on hinges and mounts,
• consistency with other elements of the rear body system.

For the user, this translates into more convenient use of the trunk and a reduction in the risk of damage resulting from uncontrolled falling of the lid. Choosing an original component is particularly important in vehicles where maintaining factory functionality and proper body panel fitment is a priority.

If you are planning a comprehensive repair or modernization of the rear body area in your BMW and need other elements from the same group, such as lid hinges, locks, or additional supports, check the available parts in the BMW Trunk lids and rear parts category.

Substantive support and knowledge development

When planning service work and upgrades, it is worth expanding your knowledge about design solutions used by various manufacturers. The material describing the development of technology in the luxury car segment may be helpful, available in the article Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years, which shows how approaches to designing components and body systems have changed.