BMW Mini Cooper S R52 R53 Coolant Cooling Water Expansion Tank Bottle 7529274

The MINI S R52 R53 Expansion Tank is a cooling system component designed for Mini S R52 and R53 models. The offered tank comes from the Expansion Tanks category and is a functional solution for users looking for a proven, used component with factory geometry and fit. It's a practical choice for repairing or upgrading the cooling system in Mini cars of this generation.

Specifications and technical data

• SKU: 7529274
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7529273
• Substitutable numbers: 17107529274, 7529274, 17137529273, 7529273, 17137509072, 7509072
• Part type: Coolant Expansion Tank
• Category: Expansion & Overflow Tanks

Intended Use and Fit for Mini S R52 R53

The presented expansion tank has been designed with the specific engine bay architecture of the Mini S R52 and R53 in mind. This means maintaining the correct shape, mounting points, and connection spigots, which facilitates installation in place of the original component. As a result, the user receives a component that works with the factory cooling system without the need for modifications.

As part of the Mini expansion tanks group, the product adheres to the manufacturer's standards regarding hose routing, venting, and operation under typical working pressures for this model. This is important for the stability of the engine's operating temperature and the durability of other cooling system components.

Technical and Functional Characteristics

The tank plays a key role in compensating for the volume of coolant, allowing for its free circulation and system venting. The design intended for the Mini S R52 R53 ensures:

• appropriate working capacity tailored to the cooling system of these engine versions,
• adaptation for operation within typical temperature and pressure ranges for S models,
• compatibility with the standard cooling system hoses and accessories.

By maintaining the original design concept, the tank works with the sensors and control elements intended for this generation of Mini, contributing to the stable operation of the entire system.

Product Condition and Benefits of Choosing a Used Tank

The offered expansion tank is a used component, which represents a reasonable compromise between repair cost and maintaining factory fit. In practice, this means the possibility of restoring proper cooling system operation without investing in more expensive solutions, while preserving the original mounting specifications.

Choosing a used Mini expansion tank is particularly beneficial in situations where the existing component has suffered mechanical damage, casing cracks, or wear and tear. Using a component with factory geometry helps reduce the risk of leaks and system venting problems.

Why Choose This Mini Expansion Tank

By opting for the MINI S R52 R53 Expansion Tank, you get a part tailored to the specific vehicle platform, which translates to simpler installation and predictable cooling system behavior. This solution is particularly attractive for workshops and individual users who value compatibility with the car's original construction.

If you need other Mini expansion tanks for different engine or body versions, check out our dedicated offer: Mini expansion tanks. There you will find a wide selection of components tailored to various models of this brand.

Additional Technical Support

When selecting replacement parts for a vehicle's system, it's worth considering not only the price but also compliance with factory specifications and the overall technical condition of the components. For other subsystems, such as brakes, it may be helpful to use practical advice on purchasing used components – you can find it in the article: Second-hand braking systems: how to safely choose discs, calipers, and ABS?. Although it concerns a different group of parts, the principles of careful selection presented there can be analogously applied when planning repairs on a Mini car.