Mini S F55 F56 F60 B48C BMW F39 F48 Petrol B48C Turbocharger Part 8631901

Mini S F55 F56 B48C BMW F39 F48 Petrol B48C Turbo Exhaust Gas Recirculation 8631901 is a used turbocharger from the Turbochargers & Parts category, designed for B48C petrol engines in select Mini and BMW models. It's a solution for drivers who want a functional, factory-installed turbocharger component that restores the engine's dynamic performance and smooth operation.

Specifications and technical data

• SKU: 8631901-3
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8631901
• Substitutable numbers: 11658631901, 8631901, 848663-0002, KZ
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and technical characteristics

This turbocharger is a component of the supercharging system for the B48C petrol engines used in the Mini F55/F56 series and BMW F39/F48 series. The design was developed to meet the requirements of direct injection petrol engines, ensuring adequate boost pressure, stable operation across the full RPM range, and proper exhaust gas evacuation.

As part of the turbocharger and parts category, this component is responsible for increasing the amount of air delivered to the cylinders, resulting in improved throttle response, higher power, and more efficient utilization of the gasoline engine's potential. Its geometry and specific design for the B48C engine reduce the risk of malfunction, overcharging, or performance drops.

Benefits of using a turbocharger in the B48C petrol engine

Replacing a worn or damaged turbocharger with a functioning turbocharger allows you to restore your engine's factory operating parameters. Key advantages include:

• Stable boost – a properly selected turbocharger maintains the appropriate pressure throughout the entire rev range, which improves the engine’s flexibility.
• Better acceleration dynamics – an efficient turbocharger system reduces turbo lag and improves response to pressing the gas pedal.
• Efficient use of fuel – proper charging promotes more even combustion of the mixture in a petrol engine.
• Compatibility with factory equipment – the turbocharger is designed to work with the original exhaust and intake systems in Mini and BMW vehicles with the B48C engine.

Condition, origin and use in tuning

The turbocharger offered is used, making it a cost-effective alternative to new components while maintaining factory design and fit. These types of components are often chosen for both standard repairs and modification projects where budget-conscious performance and reliability are key.

If you plan to modify the B48C petrol engine, using the original turbocharger from the same engine family allows you to:

• safe increase in performance within the limits provided by the design of the supercharging system,
• maintaining compatibility with the factory engine controller after appropriate tuning,
• cost reduction compared to purchasing a new component or aftermarket kits.

If you want to better plan your modifications using second-hand components, it's worth checking out the guide Tuning with Used Parts - How to Gain Performance Without Breaking the Bank , which covers the practical aspects of safe tuning.

Selection, reference numbers and compliance

The turbocharger has a dedicated OEM part number and associated interchangeable numbers, facilitating precise identification and matching to a specific engine and body version. Before purchasing, it is recommended to compare the part number with the vehicle data and existing component to confirm full installation and functional compatibility.

Proper selection is particularly important for modern petrol engines, where the turbocharger interacts with the engine management system, boost pressure sensors, and exhaust emission control system. Using the right model minimizes the risk of controller errors, limp-home mode, or power loss.

Other turbochargers for Mini – project expansion

If you plan to compare this model with other solutions, check out the available turbochargers and parts for Mini to choose the variant best suited to the specifics of your engine and project objectives.

When purchasing used components for a supercharger system, it's also worth knowing the common pitfalls and mistakes made when assembling a modification kit. The article "Buying Used Car Parts • Most Common Mistakes When Choosing Tuning Parts" may be helpful, as it discusses what to look for to avoid operational problems.