Container Cap MINI R50 R52 R53 Cover Bottle Windshield Cleaning Washer 7045424

Visual condition of the part

The product shows signs of use visible in the photos.

Container Cap MINI R50 R52 R53 Cover Bottle Windshield Cleaning Washer is an original component from the BMW group, designed for the windshield washer system in first-generation MINI models. It ensures a tight seal for the reservoir, stabilizes system operation, and helps maintain the proper fluid level during daily use.

Specifications and technical data

• SKU: 7045424
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7045424
• Substitutable numbers: 7045424, 61667045424
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and technical function

The windshield washer reservoir cap is responsible for secure and tight closure of the reservoir, which limits fluid evaporation, minimizes the risk of contamination, and supports the proper operation of the washer pump. In MINI R50, R52, and R53 vehicles, it serves both a functional and maintenance purpose – it facilitates checking the fluid level and refilling it.

As an item from the Windshield washer reservoirs, pumps, and nozzles category, the cap works with other system components, such as the pump, hoses, and nozzles, to create a cohesive, sealed system responsible for cleaning the windshield while driving.

Original BMW origin and fitment

The product comes from the BMW OE line, which means factory-perfect fitment for the design of the MINI R50, R52, and R53. Original manufacturing translates into:

• secure seating in the washer reservoir neck,
• compatibility with the geometry of the factory reservoir,
• maintenance of the sealing parameters specified by the manufacturer.

Thanks to this, the cap can be used as a replacement for the factory part without the need for modifications or adjustments, which is particularly important when servicing MINI/BMW group vehicles.

Condition, service application, and installation

The item is offered in used condition, making it an attractive solution for the economical repair of the washer system in older MINI models. It is a practical choice in situations where:

• the original cap has suffered mechanical damage (cracks, worn-out tabs),
• the reservoir has lost its seal due to wear of the cap's gasket,
• it is necessary to restore the completeness of the system after previous losses or unprofessional repairs.

Installation is simple and consists of properly seating the cap in the reservoir neck. Thanks to the factory fitment, no additional tools or modifications are required, which reduces service time.

Benefits of using an original cap in the MINI R50 R52 R53

Using an original windshield washer reservoir cap in the MINI R50, R52, and R53 allows you to maintain the cohesion of the washer system with the manufacturer's factory specifications. In practice, this means:

• stable fluid level in the reservoir during typical operation,
• lower risk of air entering the washer pump system,
• easier diagnostics of potential leaks (eliminating the source in the form of a non-factory cap).

This solution is especially recommended for MINI owners who want to keep their car in a configuration close to factory standards, while simultaneously optimizing repair costs by using a proven, used part.

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

Technical support and service knowledge

When selecting consumables for older MINI and BMW vehicles, it is worth using reliable sources of knowledge regarding vehicle systems. In the context of the entire car's operation, including related systems, an article describing diagnostics and component selection by catalog numbers and VIN may be helpful – you can find it here: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you treat your MINI or another BMW group car from around 1998–2012 as a youngtimer and are planning a gradual restoration using proven second-hand parts, it is worth reading the guide: The second life of a youngtimer – how used car parts rejuvenate cars from 1998–2012.