BMW F20 F30 LCI Turbocharger Turbo Charger M140i M240i 340i 440i B58 7934605

The BMW F20 F30 LCI M140i M240i 340i 440i B58 turbocharger is an original equipment turbocharger component designed for BMW B58 petrol engines. This used OEM unit ensures a factory fit, maintaining the manufacturer's intended performance characteristics.

Specifications and technical data

• SKU: 7934605-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7934605
• Substitutable numbers: 7934605, 11657934605
• Fuel type: Petrol
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and application

The turbocharger is designed for BMW 1, 2, 3, and 4 Series F20/F30 LCI models in sporty M Performance versions with the B58 petrol engine. Using the original turbocharger allows for maintaining proper boost parameters, stable torque characteristics, and predictable throttle response.

The element comes from the turbochargers and parts category, making it a direct replacement for the factory component, without the need for any installation modifications or additional mechanical modifications.

Construction and operating characteristics

The original turbocharger for the B58 engine was designed for high efficiency across a wide RPM range. Its design ensures:

• stable boost pressure during dynamic driving,
• smooth increase in power without sudden jumps,
• rotor geometry appropriately selected to the characteristics of the petrol engine,
• maintaining the factory combustion parameters and operating culture of the drive unit.

Thanks to its factory design, the supercharging system works with the engine control electronics, which helps maintain the correct mixture values, exhaust gas temperatures and component protection.

Condition, origin and benefits of choosing a used turbocharger

The turbocharger offered is used, which significantly reduces repair costs compared to a new OEM component. With proper installation and adherence to service procedures (inspection of the lubrication, intake, and charge air cooling systems), it can be an effective solution for vehicles used daily.

Choosing an original, used turbocharger has several significant advantages:

• factory fitment to the B58 engine and BMW accessories,
• no need to adapt mountings and cables,
• maintaining the stock power and torque characteristics,
• attractive price-to-functionality ratio compared to a new component.

Technical aspects of installation and operation

The turbocharger is designed for gasoline engines, so using the correct engine oil and regularly changing the filters is crucial. During installation, it is recommended to:

• thorough flushing of the lubrication system,
• inspection of oil and intake lines,
• checking the tightness of the intake and exhaust systems,
• proper bleeding of the system after the first start-up.

This approach reduces the risk of premature wear and allows you to fully utilize the potential of the turbocharger in everyday use and during dynamic driving.

Other BMW Turbochargers and Service Knowledge

If you're looking for other turbochargers for BMW, check out our dedicated category: BMW Turbochargers . There you'll find a wide selection of original components for various models and generations.

When planning a drivetrain repair, it's also worth understanding the specifics of the used parts market. When selecting components such as a gearbox, the guide: Used Gearbox – When Is It Worth It and What You Need to Remember will be helpful. It discusses key issues of compatibility, cost-effectiveness, and the risks associated with purchasing used components.