BMW 3 Series E92 E92N LCI Boot Trunk Lid Gas Pressurized Spring 7129194

BMW 3 Series E92 E92N LCI Boot Trunk Lid Gas Pressurized Spring is an original component of the tailgate lifting system, designed specifically for BMW 3 Series E92 models. Thanks to its precise operating characteristics and perfect fit to factory mounting points, it provides stable support for the tailgate, as well as convenient opening and secure closing of the trunk. This is a practical solution for users who expect the tailgate mechanism to function efficiently without any interference with the body structure.

Specifications and technical data

• SKU: 7129194
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7129194
• Substitutable numbers: 51247129194, 7129194
• Location on the vehicle: Rear
• Category: Other Exterior Parts & Accessories

Purpose and function of the gas spring

The gas spring is responsible for the controlled lifting and holding of the tailgate in the open position. This component operates in the rear part of the vehicle body, supporting daily trunk usage – from simple loading to frequent opening and closing of the tailgate in urban conditions.

A properly selected gas spring ensures:

• smooth tailgate opening without jerking,
• maintaining the tailgate in a stable working position,
• reducing stress on the hinges and tailgate mounts,
• comfortable one-handed trunk operation.

Compatibility and fit for BMW

The presented gas spring has been developed with the rear body structure of the BMW E92 in mind, which translates into the correct length, stroke, and operating characteristics matched to the weight of the tailgate. This means that after installation, the component works with the factory hinges and mounts without the need for modifications or adaptations.

By using an original solution from the BMW group, technical consistency with other body components is maintained, and the tailgate opening and closing mechanism operates in a predictable and repeatable manner.

Performance characteristics of the component

The tailgate gas spring in the BMW E92 operates in demanding conditions – it is exposed to temperature changes, moisture, and cyclical loads. The gas-based design allows for sufficient support force while maintaining compact dimensions.

The main advantages of this solution include:

• properly selected lifting force matched to the trunk lid,
• controlled movement of the tailgate throughout the entire opening range,
• reduced risk of the tailgate falling unexpectedly when the gas spring is functioning correctly,
• the ability to restore the original functionality of the rear body section without structural modifications.

Condition and service application

The item is offered in used condition, which allows for an economical replacement of a faulty gas spring while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for maintenance repairs where the priority is to restore proper tailgate operation at reasonable service costs.

The gas spring is suitable both for replacing a single damaged component and for broader work related to refreshing the rear body section, e.g., after a collision or intensive use.

If you are planning a comprehensive repair or upgrade of the rear zone in your BMW and need other components from the same group, such as additional gas springs, mounts, or accessories related to tailgate operation, check out the available parts in the Other BMW category.

Technical support and knowledge of sports constructions

For users interested in comparing technical solutions used in different brands and sports versions, including engines, brakes, and chassis, the comparative material prepared by our specialists may be helpful – Audi RS vs other models – what is hidden under the hood and chassis?. This is a good supplement to the knowledge for those who value an informed approach to component selection and vehicle maintenance.