Windscreen Washer Tank BMW G11 G12 G30 G31 Bottle Fluid Reservoir 8491829

The BMW G11 G12 G30 G31 Windscreen Washer Fluid Reservoir is an original component of the washer system, designed for installation in luxury models of the 7 Series and 5 Series. Thanks to its factory BMW construction, it ensures proper body fitment, stable mounting, and correct cooperation with washer pumps and nozzles. This is a practical solution for users who want to restore full functionality to their windscreen cleaning system while maintaining manufacturer standards.

Specifications and technical data

• SKU: 8491829
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8491829
• Substitutable numbers: 8491829, 61668491829, 7377041, 61667377041
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The presented reservoir belongs to the Washer Tanks, Pumps, and Nozzles group, responsible for storing and supplying washer fluid. In BMW G11, G12, G30, and G31 models, this component works with the system of hoses, pumps, and nozzles, ensuring stable pressure and appropriate fluid flow to the front and – depending on the vehicle's configuration – also the rear windscreen or headlights.

A correctly selected reservoir guarantees:

• safe storage of the correct amount of washer fluid,
• proper positioning of pump connections and mounts,
• compatibility with factory brackets and covers in the wheel arch or engine bay.

Original Origin and BMW Fitment

As a BMW part, the reservoir has been designed for specific G11, G12, G30, and G31 platforms, which translates to proper alignment with body elements and adjacent components. The design incorporates factory mounting points, ensuring a straightforward installation without the need for modifications or additional adapters.

Original manufacturing also means maintaining the reservoir's geometry as intended by the manufacturer, which is important for:

• proper bleeding of the washer system,
• stable pump operation at various fill levels,
• reducing the risk of leaks due to stress or improper positioning.

Usage Characteristics of a Used Part

The offered reservoir is a used part, allowing for an economical repair of the washer system while maintaining the original BMW specifications. This type of component is particularly useful in situations where mechanical damage has occurred (e.g., a crack from a collision or a stone impact in the wheel arch area) and the entire reservoir body needs replacement.

Choosing a used OEM reservoir is a sensible option for users who:

• want to maintain the factory configuration of the washer system,
• are looking for a part that matches original mountings and shape,
• plan to repair using components sourced from dismantled BMW vehicles.

Importance of Correct Selection by OEM and Interchangeable Numbers

Selecting a washer fluid reservoir for modern BMW models requires considering the OEM part number and available interchangeable numbers. This allows verification of compatibility with the specific body version, model year, and equipment (e.g., presence of headlight washers). In practice, this means the ability to precisely match the part to the car, without the risk of installation problems.

If you want to deepen your knowledge on selecting components by catalog numbers, diagnostics, and fuel system component repair, the article describing how to identify parts by VIN and manufacturer numbers might be helpful – you can find it here: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

BMW Washer System Expansion and Service

If you are planning a comprehensive repair or upgrade of the windscreen cleaning area in your BMW and need other parts from the same group, such as additional reservoirs, pumps, or washer nozzles, check the available parts in the category BMW Washer Tanks, Pumps, and Nozzles.

For those who view service and modifications as a way to optimize operating costs, an interesting addition to your knowledge might also be a guide on using used components in vehicle modifications: Tuning with Used Parts – How to Gain Performance Without Losing a Fortune. It allows for better planning of car investments, including in the area of consumables.

Summary

The Windscreen Washer Tank BMW G11 G12 G30 G31 Bottle Fluid Reservoir is an original washer fluid reservoir designed for modern, high-end BMW models. Due to its factory origin, it ensures compatibility with the washer system, proper body fitment, and the possibility of seamless installation in place of a damaged part. It is a practical choice for drivers who want to restore full functionality to their windscreen cleaning system while adhering to the manufacturer's design standards.