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

The Mini S F55 F56 F60 B48C BMW F39 F48 Petrol B48C Turbine Intake is an original component of the supercharging system designed for the B48C petrol engines in the Mini and BMW F Series models. A used turbine inlet is a functional base for restoring the correct operation of the turbocharger and stable boost parameters in the petrol engine.

Specifications and technical data

• SKU: 8631901-2
• 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 role in the charging system

This turbocharger intake for the B48C engine falls into the turbocharger and parts category, ensuring proper airflow to the compressor in a gasoline engine. A properly selected component of this type affects:

• stable boost pressure across the full rev range,
• proper operation of the turbocharger without undesirable performance drops,
• maintaining the appropriate torque characteristics of the B48C unit.

By maintaining the factory geometry and flow diameters, the intake works with the standard turbocharger and the intake system of Mini and BMW petrol versions, without the need for structural modifications.

Construction and fit for the B48C unit

The turbocharger intake was designed as an OEM component, precisely fitting the B48C engine in the Mini F55, F56, F60, and BMW F39 and F48 bodies. The design of the flow channels and mounting points ensures:

• reliable sealing of connections to the turbocharger and the rest of the intake system,
• maintaining the factory stiffness and vibration resistance of the drive unit,
• compatibility with accessories intended for this generation of petrol engines.

This solution allows for seamless integration with existing installations, which is particularly important when servicing vehicles equipped with turbocharged petrol engines.

Operating characteristics of a petrol engine

In gasoline-powered engines like the B48C, the turbine intake system must provide sufficiently clean and stable airflow to maintain proper combustion parameters. Using an original intake system allows for:

• maintaining stock power and throttle response characteristics,
• reducing the risk of leaks that could disturb the fuel-air mixture,
• maintaining compatibility with the factory engine control software.

For workshops and users, this means predictable behavior of the drive unit after replacing a component, without the need for additional tuning.

Condition, service use and selection by parameters

The turbocharger intake offered is a used part, making it an attractive service solution for Mini and BMW vehicles with the B48C engine that require replacement of a turbocharger component at reasonable repair costs. In practice, it will prove useful in situations such as:

• mechanical damage or cracking of the existing intake,
• leaks causing a drop in boost pressure,
• the need to restore the factory configuration after previous modifications.

The selection of parts is facilitated by available manufacturer markings and interchangeable numbers, which allow verification of compatibility with a specific engine and body version without the risk of assembly errors.

Technical support, tuning and additional resources

For users planning further modifications to their Mini petrol engines, including the Cooper S and John Cooper Works versions, a broader look at the turbocharging system and engine components may be helpful. In this context, it's worth checking out the article "MINI John Cooper Works – What Makes It Different and How to Improve Your MINI?" , which discusses the possibilities of using used components to improve the performance of standard versions.

If you want to consciously plan your purchases of supercharging system components, including turbine inlets, a guide to safe online purchases of used car parts will be helpful, describing step by step how to verify compatibility based on manufacturer markings, visual condition and technical parameters.

If you need to select other components from the same product group, it is worth checking the available turbochargers and parts for Mini , which will facilitate the comprehensive servicing of the supercharging system in your vehicle.