BMW 01 F02 Touring Boot Trunk Lid Tailgate Tension Spring Gas Strut 7185904

BMW 01 F02 Touring Boot Trunk Lid Tailgate Tension Spring Gas Strut is an original lift mechanism component designed for installation in the rear body section. It maintains stable trunk lid operation, ensuring smooth opening and controlled closing. Thanks to its factory fit for the F01/F02 series, it provides a safe and functional service solution for owners of premium-class BMW vehicles.

Specifications and technical data

• SKU: 7185904
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7185904
• Substitutable numbers: 51247185904, 7185904, 51244826677, 4826677, BG
• Location on the vehicle: Rear
• Category: Boot & Hatch Lids

Purpose and function of the trunk strut

The presented strut operates in the rear body zone, where it is responsible for assisting in opening and holding the trunk lid in a stable position. This component is particularly important for the heavier lids of premium segment sedans, where precise balancing of mass and lifting force is required. A properly selected spring strut reduces stress on the hinges, improves ergonomics, and minimizes the risk of the lid falling uncontrollably.

Compatibility and fit for BMW F01/F02

The strut has been designed specifically for BMW F01 and F02 series models, which translates into correct operating parameters in the rear of the vehicle. Appropriate mounting points and the geometry of the component allow for installation without interfering with the body structure. As a result, consistency with the factory trunk lid system is maintained, and the user receives a solution compliant with the vehicle manufacturer's specifications.

Performance characteristics and installation

As a component in the Trunk lids and rear parts category, the strut operates under conditions of variable mechanical loads and cyclical opening and closing. The design, based on a gas or mechanical spring (depending on the specific version), ensures consistent movement and predictable lid behavior. Installation takes place in the rear of the vehicle, in the location factory-designated by the manufacturer, which facilitates service and reduces replacement time.

This component is particularly recommended in situations where:

• the trunk lid falls or does not stay in the open position,
• opening requires excessive force,
• uneven movement or squeaking is noticeable in the rear mechanism section.

Condition, origin, and technical aspects

The offered strut is an original BMW part sourced from dismantling, in used condition. Such components, when used correctly, retain their properties for a long time, making them a sensible choice for economical repairs and servicing of older vehicles. The product has an assigned OEM part number and interchangeable numbers, which facilitates selection based on manufacturer markings and minimizes the risk of ordering errors.

To ensure proper fitment, it is worth using the part number or reference numbers and comparing the placement on the vehicle with the currently installed component. In case of doubt, installation at a specialized service center is recommended to maintain full functionality of the tailgate and avoid overloading the hinges.

Expanding the BMW trunk system

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 lid hinges, locks, or additional supports, check out the available parts in the BMW trunk lids and rear parts category.

Expert support in selecting used components

When selecting used body parts and accessories, it is worth being guided not only by price but also by identification procedures using OEM numbers and real-world workshop experience. You can read more about this approach – using powertrain components as an example – in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, the importance of correct part selection by number and cost-effectiveness analysis of repairs.