BMW E88 Cabrio Convertible Folding Top Roof Hydraulic Pump 7171303

BMW E88 Cabrio Convertible Top Hydraulic Pump 7171303 is a specialized component of the roof opening and closing system in the E88 series convertible. It is responsible for generating the correct pressure in the system, ensuring smooth, controlled folding and unfolding of the roof. This solution is designed for users who expect efficient operation of the convertible top mechanism and preservation of the original performance characteristics of the entire system.

Specifications and technical data

• SKU: 7190715-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7190715
• Substitutable numbers: 54347190715, 54347171303, 7190715, 7171303
• Category: Other Exterior Parts & Accessories

Purpose and Function of the Convertible Top Hydraulic Pump

The convertible top hydraulic pump in the BMW E88 Cabrio is the central element of the system responsible for operating the roof. It works in conjunction with actuators, lines, and the vehicle's control unit to:

• ensure stable pressure in the roof's hydraulic circuit,
• enable automatic opening and closing of the roof using the factory buttons,
• maintain proper synchronization of the movement of individual roof structure segments,
• minimize the risk of jams and uneven mechanism operation.

By using an original pump from the BMW group, compatibility with factory equipment and hydraulic system operating parameters is maintained.

Benefits of Using an Original BMW Pump

Choosing a convertible top hydraulic pump from the vehicle manufacturer's offering allows for the consistency of the entire system. Key benefits include:

• Factory Fitment – the pump is designed for the specific BMW E88 Cabrio platform, which reduces the risk of installation problems.
• Consistent Operating Characteristics – maintaining the speed and smoothness of the roof's movement according to design specifications.
• Proper Interaction with Vehicle Electronics – the control system recognizes and operates the component according to factory settings.
• Ability to Use Existing Hydraulic Installation – no need to modify lines or mountings.

This part, categorized under Other in the BMW parts offering, allows for the restoration of full convertible top functionality without altering the body structure.

Product Characteristics and Condition

The presented convertible top hydraulic pump is a used part, sourced from dismantling. This means that:

• it is an original part, compliant with BMW's factory specifications for the E88 Cabrio model,
• it retains the construction and parameters intended for the convertible top system in this model,
• it can be an economical alternative to a new component while maintaining proper functionality.

This solution is particularly beneficial for wear-and-tear repairs where restoring correct roof operation at a reasonable service cost is a priority.

Application in Roof System Service and Diagnostics

Replacement of the convertible top hydraulic pump is recommended in situations where problems arise with opening or closing the roof, pressure drops in the system, or unstable mechanism operation. In workshop practice, this most often applies to cases where:

• the roof stops mid-cycle,
• the opening or closing time significantly increases,
• the system generates unusual pump operating noises,
• computer diagnostics indicate irregularities in the hydraulic circuit.

Selecting the correct pump for the BMW E88 Cabrio allows for the restoration of proper operation of the entire system without the need to interfere with other system components.

Complementary Offer and Additional Materials

If you are looking for other parts in the Other category dedicated to this brand, check out our offer for other BMW parts, where you will find a wide selection of components for various models.

When planning repairs and upgrades, it is also worth expanding your knowledge about the construction of sports models and their components. An article on our blog can be helpful for this purpose: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses the differences in engine, brake, and chassis construction, as well as the importance of correctly selected replacement parts.