Mini R52 R53 Coolant Cooling Water Expansion Tank Bottle 7529273 FEBI

The FEBI Coolant Expansion Tank for Mini R52 R53 is an original cooling system component from the expansion tanks group, designed for Mini R52 and R53 models. This used OEM component ensures a factory fit, stable cooling system operating parameters, and predictable performance under real-world driving conditions.

Specifications and technical data

• SKU: 7529273-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7529273
• Substitutable numbers: 7529273, 17137529273, 7509072, 17137509072
• Category: Expansion & Overflow Tanks

Intended Use and Fitment for Mini R52 / R53

The presented expansion tank has been specifically designed for the engine bay construction of the Mini R52 and R53. This means correct port placement, appropriate mounting geometry, and compatibility with factory cooling system hoses and caps. Consequently, replacement is straightforward, without the need for installation modifications.

As a part from the OEM Mini group, the tank maintains the original cooling system operating parameters, which is crucial for both engine longevity and stable operating temperature under various load conditions.

Technical Characteristics of the Expansion Tank

The coolant expansion tank plays a key role in the compact Mini cooling system – it compensates for fluid volume changes, allows for air bleeding, and maintains the correct fluid level. The FEBI design for Mini R52/R53 has been developed to:

• ensure stable system operation across a wide temperature range,
• maintain correct operating pressure in conjunction with the factory cap,
• reduce the risk of air ingress into the system after fluid changes or repairs,
• facilitate visual inspection of the coolant level.

The appropriately selected shape and volume of the tank contribute to predictable cooling system behavior, which is particularly important for engines operating under higher loads.

Condition, Origin, and Benefits of Using OEM Parts

This component is a used part, offered as a used Mini expansion tank. In practice, this means it retains the original vehicle manufacturer's specifications while offering cost savings compared to a new part. For many Mini R52/R53 owners, this represents a sensible compromise between quality and repair budget.

Using an OEM FEBI component to replace a worn or damaged tank restores proper cooling system function, reduces the risk of fluid leaks, and protects the engine from overheating caused by incorrect pressure or fluid levels.

Why Choose This Mini Expansion Tank

Replacing the expansion tank in a Mini R52/R53 is particularly recommended in cases of visible cracks, discoloration, leaks, or problems maintaining the fluid level. By choosing the original FEBI coolant expansion tank for Mini, you gain:

• a factory fit for the Mini R52/R53 cooling system,
• compatibility with original hoses and accessories,
• maintenance of the engine's designed operating parameters regarding temperature,
• a reasonable repair cost due to the use of a used OEM part.

This solution is particularly attractive for owners who wish to maintain consistency with the vehicle's factory specifications while avoiding random aftermarket parts of uncertain origin.

Other Mini Expansion Tanks and Technical Materials

If you are also looking for other Mini expansion tanks compatible with different engine versions and generations, please check our dedicated category: Mini expansion tanks. Here you will find a wide selection of OEM components and aftermarket alternatives, making it easier to find the right solution for your specific vehicle.

Are you also interested in the differences in engine, braking system, and chassis construction in sports car versions? Check out the article on our blog: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, where we discuss key technical aspects and the impact of applied components on vehicle characteristics.