Filler Neck BMW X3 F25 X4 F26 Windscreen Washer Bottle Pipe Cover Cap 7213278

Filler Neck BMW X3 F25 X4 F26 Windscreen Washer Bottle Pipe Cover Cap is an original washer system component designed for BMW X3 F25 and X4 F26 models. It ensures a tight seal for the fluid reservoir filler neck, which helps maintain proper washer operation and reduces the risk of contaminants entering the system. This is a practical service solution for users looking to restore the full functionality of the factory system.

Specifications and technical data

• SKU: 7213278-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7213278
• Substitutable numbers: 7213278, 61667213278
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and technical function

The washer fluid reservoir filler cap is responsible for stable system sealing and protecting the fluid from dirt and excessive evaporation. In BMW X3 F25 and X4 F26 vehicles, this component works with the factory reservoir, pump, and nozzles to create a cohesive windscreen washer supply system.

A properly selected cap minimizes the risk of dirt, dust, or moisture entering the reservoir, which translates into stable operation of the pump and nozzles and a lower probability of line clogging. This is particularly important for cars operated year-round in varying weather conditions.

Compatibility with BMW X3 F25 and X4 F26

The presented cap has been designed specifically for these BMW models, ensuring a proper fit for the factory washer fluid reservoir. This means:

• correct seating in the filler neck,
• appropriate sealing geometry,
• consistency with the original mounting system.

Selecting parts according to the manufacturer's specifications helps avoid installation issues and reduces the risk of leaks that could occur when using aftermarket replacements with imprecise dimensions.

Product characteristics and condition

The cap belongs to the Washer fluid reservoirs, pumps, and nozzles group, meaning it is a component that works directly with the system responsible for cleaning the windows. The product is marked as used, which in practice means it has been previously installed in a vehicle but is still suitable for further use after proper verification of its condition.

Choosing an original BMW component allows you to maintain consistency with the vehicle's factory design and facilitates subsequent diagnostics and service. This solution is particularly beneficial for users who prefer parts that comply with the manufacturer's documentation.

Benefits of using an original cap

Using the correct washer fluid reservoir filler cap in a BMW X3 F25 or X4 F26 provides a number of practical benefits:

• Protection of the washer system – limiting the access of contaminants to the reservoir and lines.
• Better durability of pumps and nozzles – lower risk of clogging and operating on contaminated fluid.
• Consistency with the factory design – maintaining the original system structure.
• Easier installation – fitment to the stock reservoir without the need for modifications.

For users who care about regular maintenance of the washer system, replacing a damaged or missing cap is a simple way to improve driving comfort and safety, especially in conditions of limited visibility.

Technical support and additional information

When performing service work involving fluid systems, it is also worth paying attention to other vehicle components. When selecting parts according to manufacturer specifications, guide materials regarding part identification by numbers and system diagnostics can be helpful. For example, issues related to component selection based on factory markings and their operation are discussed in more detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which can serve as a supplementary source of knowledge about the operation of supply systems in vehicles.

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