BMW E88 Cabrio Convertible Folding Top Roof Hydraulic Pump 7171303

The BMW E88 Cabrio Hydraulic Convertible Top Pump is a specialized component of the roof opening and closing system for Series 1 convertible models. The original BMW design ensures stable operation of the roof mechanism, precise control of the top's movement, and seamless integration with the factory hydraulic system. This solution is designed for users who expect reliable operation of the roof system while maintaining factory performance parameters.

Specifications and technical data

• SKU: 7190715-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7190715
• Substitutable numbers: 54347190715, 54347171303, 7190715, 7171303
• Category: Other Exterior Parts & Accessories

Purpose and Function in the BMW E88 Roof System

The hydraulic pump in the BMW E88 Cabrio is responsible for generating pressure within the system, enabling the smooth folding and unfolding of the roof. This component works in conjunction with actuators, hydraulic lines, and the body control module, forming a complete system responsible for:

• controlled movement of the convertible top structure,
• maintaining adequate working pressure in the circuit,
• ensuring the correct sequence of mechanism operation,
• limiting mechanical stress during the opening and closing cycle.

By using an original BMW solution, compatibility with the factory hydraulic installation and the vehicle's control logic is maintained.

Advantages of Using an Original Hydraulic Pump

Choosing an original convertible top pump for the BMW E88 Cabrio allows you to maintain the system's operating parameters at the level intended by the manufacturer. In practice, this means:

• compatibility with factory software and roof position sensors,
• appropriately selected pressure and performance characteristics,
• reduced risk of leaks compared to random aftermarket replacements,
• easier diagnostics in service due to the preservation of the original system architecture.

An original BMW part also ensures predictable performance in various operating conditions, which is particularly important when frequently using the roof folding function.

Characteristics of a Used Component

The presented convertible top pump is a used component, allowing for economical repair of the system while preserving the original design. This type of component is particularly attractive for:

• repairs of daily driven vehicles,
• restoring the functionality of the roof system after a pump failure,
• restoration projects where compliance with factory solutions is important.

Choosing a used OEM part can be a favorable compromise between repair cost and maintaining the original roof system specification.

Selection and Compatibility with Interchangeable Numbers

The BMW E88 Cabrio convertible top pump has an assigned OEM part number and associated interchangeable numbers, which facilitates precise identification in BMW catalogs and service systems. This allows for:

• verification of compatibility with the specific vehicle equipment version,
• comparison with the currently installed part in the car,
• checking application in the manufacturer's technical documentation.

Before purchasing, it is advisable to compare the pump's markings with the vehicle's data to ensure correct fitment for the roof system and avoid installation issues.

Further Knowledge and Related Products Offer

If you are planning a comprehensive repair or upgrade of the convertible body area in your BMW and need other parts from the same group, such as roof actuators, hydraulic lines, or mechanism mounts, check the available parts in the Other BMW category.

When working on powertrain, hydraulic, and suspension systems, it is also worth expanding your knowledge about the design differences between standard and sport versions – an article describing the characteristics of engines, brakes, and chassis in RS models, available here, may be helpful: Audi RS vs Other Models – What Lies Under the Hood and Chassis?.

If you are considering wider use of aftermarket components for repair projects or modifications, it is worth familiarizing yourself with practical tips on selecting used parts and avoiding common mistakes – you will find them in the guide: Buying Used Car Parts – Common Mistakes When Choosing Parts for Tuning.