BMW Z4 E85 Roadster Hydraulic Unit Roof Motor Pump Folding Top 7016893

BMW Z4 E85 Roadster Hydraulic Unit Roof Motor Pump Folding Top is an original hydraulic system component responsible for operating the soft folding roof in the BMW Z4 E85 model. Thanks to the factory BMW design, the pump ensures the proper operation of the roof opening and closing mechanism, which translates into comfort for the convertible user and correct sealing of the roof cover. This solution is intended for users who want to restore full roof functionality without compromising on fitment and compatibility.

Specifications and technical data

• SKU: 7193448
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7193448
• Substitutable numbers: 54347193448, 7193448, 54347119633, 7119633, 54347016893, 7016893, 54347079586, 7079586
• Category: Convertible Tops & Parts

Purpose and function in the roof system

The presented roof motor pump is a component of the system responsible for controlling the movement of the soft top in the BMW Z4 E85 Roadster. It works with the hydraulic installation and vehicle control unit, generating the pressure necessary for the smooth folding and unfolding of the roof structure. Using an original BMW solution in the Convertible soft tops and parts category allows for maintaining the factory operating parameters of the mechanism, including the speed of roof movement and proper synchronization with position sensors.

Construction, fitment, and installation

The pump has been designed specifically for the body architecture of the BMW Z4 E85 Roadster, which means it is compatible with factory mounting points as well as the original electrical harness and hydraulic lines. As a result, installation is straightforward, without the need for structural modifications or the adaptation of additional elements. The original BMW brand guarantees the correct direction of rotation, operating characteristics, and compatibility with the factory roof control system.

The item comes from the used parts market, which in practice means the possibility of an economical repair of the roof system while maintaining the manufacturer's original specifications. Proper selection based on the OEM number and interchangeable numbers (available in the specification) allows for precise matching of the pump to a specific vehicle configuration.

Benefits of using an original roof pump

Using an original roof motor pump in the BMW Z4 E85 Roadster offers a number of practical technical benefits:

• maintaining the factory operating characteristics of the roof hydraulic system,
• reliable fitment to the vehicle installation without the need for modifications,
• consistency with the control system and roof safety features,
• the ability to restore full functionality of the folding roof after a pump failure.

For users who value original BMW solutions, it is also important that the pump comes from the same production line as the factory-installed components, which minimizes the risk of compatibility issues in the long term.

Selection by OEM number and interchangeable numbers

Proper selection of the pump for a specific BMW Z4 E85 is possible thanks to the use of the OEM part number and related interchangeable numbers, which have been listed in the technical specification section. This allows for verifying compatibility with your vehicle, even in cases of differences resulting from the production year or equipment version. The OEM part number identifier and related interchangeable numbers are the basis for unambiguous component matching.

If you want to better understand the differences between original, aftermarket, and used parts and assess the cost-effectiveness of purchasing an item such as a roof pump, the following article will be helpful: Original, aftermarket, or used – which car parts are the most cost-effective?.

Condition, origin, and practical application

The roof motor pump is offered as a used item, sourced from a dismantled BMW vehicle. This type of solution is often chosen for roof system repairs where maintaining the original design is crucial, while simultaneously optimizing service costs. Thanks to this, it is possible to restore the efficiency of the folding roof mechanism in situations such as:

• the roof not responding to commands from the control button,
• the roof stopping halfway through the opening or closing cycle,
• unusual noises from the hydraulic system.

If you are planning a comprehensive repair or upgrade of the folding roof area in your BMW and need other components from the same group, such as actuators, guides, or seals, check the available parts in the BMW convertible soft tops and parts category.

Summary

BMW Z4 E85 Roadster Hydraulic Unit Roof Motor Pump Folding Top is a technically matched, original hydraulic system component intended to restore the smooth operation of the soft top in the Z4 E85 model. Choosing a used OEM pump allows you to combine economic benefits with the preservation of the factory design and compatibility with vehicle systems, which is particularly important in the precise mechanisms of convertible roofs.