Mini F55 F56 F57 F60 Cooper S Turbocharger Housing 2.0 Petrol B48C B46C 9845812

Mini F55 F56 F57 F60 Cooper S Turbocharger Housing 2.0 Petrol B48C B46C is a specialized component from the Turbochargers and parts category, designed for Mini Cooper S petrol engines. This is a solution for users seeking a factory-fit turbocharger housing while maintaining high assembly precision and correct operating parameters of the turbocharging system.

Specifications and technical data

• SKU: 9845812-2
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 9845812
• Substitutable numbers: 9845812, 11659845812
• Fuel type: Petrol
• Category: Turbos & Parts

Application and compatibility

The presented turbo housing is intended for Mini F-series models (F55, F56, F57, F60) in the Cooper S version with the 2.0 petrol engine from the B48C/B46C family. The housing design is prepared to work with the factory turbocharging system, which allows for maintaining the engine's stock performance characteristics, correct boost pressure, and stable thermal conditions in the turbine housing.

The component comes from the line of original Mini solutions, ensuring proper fitment to the manifold, turbocharger core, and other auxiliary components. This is particularly important when replacing a damaged housing due to overheating, cracking, or mechanical damage, when you want to maintain the stock exhaust flow geometry.

Technical and design characteristics

The turbo housing has been designed to operate in high temperatures and under heavy loads characteristic of 2.0 petrol units. The shape of the exhaust channels and mating surfaces is optimized for rapid boost pressure build-up, which translates into dynamic engine throttle response and stable operation across the full rev range.

As an element from the Turbochargers and parts category, the housing works with other components of the turbocharging system, such as the rotor, central core, or lubrication system. A properly selected housing minimizes the risk of leaks, incorrect exhaust gas routing, and uncontrolled thermal stresses, which directly impacts the durability of the entire turbocharger.

Condition, origin, and benefits of choosing a used part

The offered item is in used condition, which represents a reasonable compromise between repair costs and maintaining original manufacturing quality. In practice, this means the ability to restore the efficiency of the turbocharging system without the need to invest in a complete new turbocharger, while maintaining factory fitment to the Mini engine.

Choosing an original turbo housing from the secondary market is particularly beneficial in the case of post-accident repairs, local housing damage, or the need to replace only the hot side of the turbocharger. This allows for limiting the scope of service work and reducing vehicle downtime while maintaining the correct operating parameters of the petrol engine.

Selection by part numbers and compatibility verification

When selecting a turbo housing for a Mini Cooper S, it is crucial to compare the OEM part number and interchangeable numbers with vehicle data and manufacturer documentation. This allows for precise confirmation of the component's compatibility with the specific B48C/B46C engine version and avoids problems with assembly or incorrect turbocharger operation after repair.

To better prepare for your purchase and reduce the risk of errors, it is worth using practical tips on verifying components by part numbers. A detailed discussion of this topic can be found in the guide Risk-free online parts shopping – 5 proven ways to verify component compatibility using OEM numbers and paint codes, which helps organize the process of checking part compatibility before finalizing your order.

Turbocharging system and petrol engine operation

In Mini Cooper S petrol engines, the turbo housing has a direct impact on combustion efficiency, acceleration dynamics, and engine stability at higher rev ranges. A properly selected and sealed turbine housing allows for maintaining the correct boost pressure, which translates into predictable performance and repeatable operating parameters during daily use.

If you are planning a comprehensive repair or upgrade of the engine area in your Mini and need other elements from the same group, such as turbine housings, hot side elements, or mounting components, check the available parts in the Mini Turbochargers and parts category.