Turbocharger BMW X3M F97 X4M F98 Petrol S58 Exhaust Turbo Cyl. 4-6 8054873

The BMW X3M F97 X4M F98 Petrol S58 Turbocharger Cyl. 4-6 is an original BMW OE turbocharger designed for the sporty S58 petrol engines in the X3M and X4M models. This aftermarket component combines high OEM quality with an attractive price while maintaining proper engine performance.

Specifications and technical data

• SKU: 8054873
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8054873
• Substitutable numbers: 8054873, 11658054873
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and technical characteristics

This turbocharger is designed to work with the S58 petrol engine used in the BMW X3M F97 and BMW X4M F98. The design is adapted to operate within the load range typical of high-power engines, ensuring stable boost in the range from cylinders four to six.

As a turbocharger and parts component, this product meets BMW factory standards for exhaust gas flow efficiency, leak tightness, and boost pressure buildup characteristics. This ensures proper acceleration dynamics and predictable throttle response throughout the entire rev range.

Benefits of using an original BMW turbocharger

Using an original BMW OE turbocharger in the S58 engine brings a number of practical advantages:

• Factory fit – compatible with X3M F97 and X4M F98 exhaust, intake and engine management systems.
• Stable operating parameters – maintaining the torque and power characteristics specified by the manufacturer.
• Optimal cooperation with electronics – correct communication with the factory engine control unit, without the need to modify the software.
• Consistency with other components – compatibility with the factory turbocharger cooling and lubrication system.

Thanks to this, replacing a worn or damaged turbocharger with an original used component allows you to restore the car's proper performance without the risks typical of random substitutes of uncertain origin.

Product status and practical application

The turbocharger is in used condition, meaning it has been disassembled and may show signs of wear. However, it retains the functionality required for continued operation in the S58 petrol engine. This type of component is particularly attractive for:

• BMW X3M F97 and X4M F98 owners who want to restore stock performance after a turbocharger failure,
• workshops specializing in the BMW brand, looking for an economical yet factory-compliant solution,
• people modernizing or overhauling the S58 engine while maintaining the original specifications.

Choosing a used OEM part allows you to reduce repair costs while maintaining proper fit for your specific model and engine version.

Turbocharger selection and assembly aspects

Before installation, it is recommended to verify the turbocharger's compatibility with the specific BMW X3M F97 or X4M F98, taking into account the engine type and hardware configuration. In practice, this means checking:

• compatibility with the S58 petrol engine,
• compatibility with the existing intake and exhaust system,
• the condition of the oil and cooling lines, which should be clean and unobstructed when reassembled.

Professional installation at a specialized BMW service center or a workshop specializing in supercharged engines minimizes the risk of leaks, improper lubrication, or turbocharger overheating, which directly impacts its durability.

Other BMW turbochargers and technical knowledge

If you are looking for other turbochargers for BMW – for example for other models with petrol or diesel engines – check out our dedicated BMW turbochargers category, where you will find a wide selection of OEM and aftermarket parts.

When working with advanced drivetrains, such as those in the BMW X3M and X4M, it's also important to ensure the performance of other vehicle components. For safety and driving precision, an article explaining the operation of the steering and power steering systems can be helpful – you can find it here: Steering and Power Steering – How Does It Work and What Breaks Down? This will allow you to better plan a comprehensive service for your high-performance car.