BMW X3 G01 Windscreen Washer Filler Neck Bottle Tube Pipe Cap 7399028

BMW X3 G01 Windscreen Washer Filler Neck Bottle Tube Pipe Cap is an original washer system component designed for precise fluid delivery to the reservoir and secure sealing. Thanks to its factory-fit for the BMW X3 G01 body, it ensures stable mounting, leak-tightness, and convenient access when refilling fluid. This is a practical solution for users who want to maintain full functionality of the washer system while adhering to OEM standards.

Specifications and technical data

• SKU: 7399028
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7399028
• Substitutable numbers: 7399028, 51317399028
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The filler neck tube with cap is responsible for safely guiding fluid from the filler to the reservoir and for tightly sealing the system. In the BMW X3 G01 model, this component is an integral part of the Washer fluid reservoirs, pumps, and nozzles group, which is essential for the proper operation of the entire windshield and headlight cleaning system. A properly selected tube minimizes the risk of leaks, facilitates maintenance, and helps maintain clear visibility in various weather conditions.

Construction and fit for the BMW X3 G01

The offered filler neck tube with cap has been designed specifically for the geometry of the BMW X3 G01 engine bay, ensuring it maintains the correct routing, does not interfere with other components, and allows for convenient access to the filler. The original mounts and the shape of the tube ensure:

• secure seating in factory mounting points,
• proper sealing of the connection to the fluid reservoir,
• ergonomic positioning of the cap in the service area.

Such a fit reduces stress on the tube, which translates into its durability and stable operation of the washer system in daily use.

Characteristics of the used component

The filler neck tube with cap comes from dismantling, which means it is a used original BMW component. Such components are frequently chosen by premium car owners because they allow for maintaining factory fitment and compatibility with other system elements. A used filler neck tube is a good solution in situations where the existing part has suffered mechanical damage, cracking, or lost its seal due to wear and tear.

Benefits of using an original filler neck tube

Using an original filler neck tube with cap in the BMW X3 G01 allows for maintaining the consistency of the entire washer system and avoiding problems typical of aftermarket replacements with imprecise shapes. Key advantages include:

• factory fit to the body and fluid reservoir,
• maintenance of proper system sealing,
• easy access to the cap when refilling fluid,
• consistency with other elements of the Washer fluid reservoirs, pumps, and nozzles group.

For workshops and individual users, this means fewer installation adjustments and predictable system behavior in the long term.

Part selection by numbers and technical support

When selecting a filler neck tube with cap for the BMW X3 G01, it is worth using the manufacturer's markings and reference numbers to ensure full compatibility with the specific vehicle version. Original markings also facilitate the verification of the part's history and its connections to other washer system components. In the case of extensive fluid system repairs, technical materials regarding diagnostics and component selection may also be helpful, such as articles describing the principles of fuel system operation and selection by VIN/OEM numbers – for example, a guide on the fuel system, selection by VIN/OEM, and component regeneration, which demonstrates good practices for identifying parts in modern vehicles.

Expanding work within the BMW washer system

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

For users of premium cars who consciously choose original components from dismantling, the material describing current market trends may also be interesting – an analysis of why used originals for BMW and other premium brands are becoming an increasingly popular choice. This allows for a better assessment of the cost-effectiveness of using used OEM components in long-term vehicle operation.