BMW 2 Series F23 Cabrio Convertible Folding Top Hydraulic Hoses Cylinders Set

BMW 2 Series F23 Convertible Soft Top Hydraulic Hose and Actuator Kit is an original set from the Convertible Soft Tops and Parts category, designed for the soft top opening and closing system. This solution is for users who want to restore the full functionality of their convertible top mechanism, while maintaining the factory design and correct operation of the entire system.

Specifications and technical data

• SKU: 7421753-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7421753
• Substitutable numbers: 54347421753, 7421753, 54347421755, 7421755, 54347421756, 7421756, 54347421757, 7421757, 54347421758, 7421758, 54347421761, 7421761, 54347421762, 7421762, 54347421827, 7421827, 54347421828, 7421828, KZ
• Category: Convertible Tops & Parts

Kit Purpose and Function

The hydraulic hose and actuator kit is responsible for transferring working pressure within the convertible top system, ensuring smooth lifting and lowering of the soft top. These components work in conjunction with the hydraulic pump and position sensors, creating a cohesive roof control system for the BMW 2 Series F23 Convertible.

Choosing a complete kit helps reduce the risk of leaks, pressure drops, or uneven top operation, which is particularly important for vehicles used in varying weather conditions.

Soft Top Hydraulic Construction and Configuration

The kit includes hydraulic hoses and actuators responsible for moving the individual segments of the roof structure. The system is designed by the vehicle manufacturer to:

• ensure stable hydraulic oil flow under the correct pressure,
• maintain the proper working geometry of the roof's arms and hinges,
• minimize mechanical stress on the body structure during the opening and closing cycle.

Thanks to the factory configuration of the hoses and actuators, installation in the BMW 2 Series F23 Convertible does not require modifications to the existing installation or mounting points, which translates to predictable service times and a reduced risk of installation errors.

Benefits of Using an Original BMW Kit

An original soft top hydraulic kit ensures compliance with the parameters specified by the vehicle manufacturer. Key benefits include:

• Factory Fitment – components are designed for the specific F23 body model, guaranteeing proper hose routing and full compatibility with the roof structure.
• Cohesive System Operation – using a complete set of hoses and actuators reduces the risk of performance discrepancies between individual hydraulic components.
• Diagnostic Capability Aligned with BMW Service Procedures – the system maintains the parameters required by factory diagnostic tools, facilitating future servicing.

This product comes from the BMW segment, which is important for many users in terms of maintaining the vehicle's originality and predictable roof performance over the long term.

Condition, Origin, and Service Application

The soft top hydraulic hose and actuator kit is a used part, allowing for economical repair of the system while maintaining the original manufacturer's specifications. This type of kit is particularly suitable in situations where:

• hoses have developed leaks or actuators have been damaged,
• the roof mechanism operates unevenly, stops, or requires manual assistance,
• a significant portion of the hydraulic system needs replacement due to failure or corrosion of metal components.

By using a complete kit, it is possible to restore the proper operation of the convertible top without the need for modifications to the body structure or the vehicle's electrical system.

Compatibility and Reference Numbers

The part has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in service catalogs and parts selection systems. Before purchasing, it is advisable to compare the markings with your vehicle's documentation or consult with a mechanic to confirm compatibility with your specific BMW 2 Series F23 Convertible version.

The presence of reference numbers also allows for comparison of this kit with other variants used in different model years and equipment configurations, helping to avoid ordering errors.

Expansion of Modernization and Additional Materials

If you are planning more extensive work on the body and roof system of your BMW, and at the same time want to improve cabin comfort, it is also worth considering interior modifications. You can find inspiration for selecting aftermarket seats and steering wheels in the article Car Interior Tuning with Global Parts, which discusses the practical aspects of using used equipment.

If you are expanding your service or tuning project with other components from this brand and are interested in additional solutions related to soft top systems, actuators, or hydraulic installations, check the available parts in the BMW Convertible Soft Tops and Parts category.