BMW X1 U11 F74 Gran Coupé Windscreen Washer Tank Pump Motor Electric 5A128A5

BMW X1 U11 F74 Gran Coupé Windscreen Washer Tank Pump Motor Electric is an original windshield cleaning system component designed for use in modern BMW models. It ensures a stable power supply for the washer system, which translates into safe visibility in various weather conditions. This is a practical solution for users who expect consistent operation of the tank and pump in a single assembly and easier system maintenance.

Specifications and technical data

• SKU: 5A128A5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A128A5
• Substitutable numbers: 5A128A5, 61355A128A5
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the vehicle

The presented assembly belongs to the Washer fluid tanks, pumps, and nozzles group and is responsible for storing fluid and pumping it to the nozzles on the windshield or headlights. The integrated design of the tank with the electric pump reduces the number of connections, which lowers the risk of leaks and facilitates the diagnosis of potential faults in the washer system.

A properly selected component of this type allows for maintaining constant fluid pressure, which is important during intensive vehicle use, e.g., in city traffic or on highways. Thanks to this, the driver maintains a clear windshield and stable visibility, which directly affects driving comfort and safety.

Construction of the tank + electric pump assembly

The fluid tank and the electric pump are combined into one module, which simplifies installation and service. This configuration reduces the need to match separate components while ensuring consistent operating parameters for the entire system. The assembly is prepared to work with the factory BMW electrical installation, which helps maintain the original operating characteristics of the washers.

A solution of this type is particularly beneficial in vehicles equipped with advanced driver assistance systems, where a clean windshield is crucial for the proper operation of cameras and sensors. Using an original component allows for maintaining compliance with the manufacturer's factory specifications.

Benefits of using an original BMW component

Choosing a washer tank and pump assembly from the BMW OE range means maintaining factory standards of fit and build quality. The original component is designed for specific models, which translates into:

• proper fitment with body mounts and engine compartment equipment,
• compatibility with the standard electrical harness and controls,
• stable washer system operating parameters under typical operating conditions.

Thanks to this, the installation proceeds in an orderly manner, without the need for installation modifications or the use of additional adapters. This solution is particularly beneficial for workshops striving to maintain consistency with the vehicle's factory specification.

Condition, origin, and service application

The component comes from the BMW brand and is intended for reinstallation in vehicles where the tank, pump, or the entire washer assembly has been damaged. It works well both for typical maintenance replacements and for post-accident repairs, where it is necessary to restore the full functionality of the windshield cleaning system.

It is recommended to base the selection of parts on vehicle identification data and manufacturer numbers, which helps avoid compatibility issues. A properly matched washer assembly reduces the risk of repeated service interventions and stabilizes the operation of the entire system.

Technical support and selection by numbers

When selecting components of this type, it is helpful to use the manufacturer's catalogs and search by part numbers and interchangeable numbers. This facilitates the identification of the correct variant for a specific body version and equipment level. For users and workshops that want to deepen their knowledge about the operation of supply systems and methods of selecting elements by numbers, the following article will be useful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses practical principles of diagnostics and parts identification.

If you are planning a comprehensive repair or upgrade of the area responsible for windshield cleaning in your BMW and need other elements from the same group, such as additional tanks, pumps, or fluid nozzles, check the available parts in the BMW washer fluid tanks, pumps, and nozzles category.