BMW F10 F20 F30 F32 LCI B47 Diesel Turbocharger Turbo Charger Actuator 8570083

BMW F10 F20 F30 F32 LCI B47 Diesel Turbocharger Turbo Charger Actuator is a precision turbocharging system component, responsible for controlling the operation of the turbocharger in BMW B47 series diesel engines. This used, original actuator from the Turbochargers and parts category allows for maintaining the factory performance parameters of the power unit, stable boost pressure, and proper cooperation with the engine control electronics. It is a solution for users expecting a technically matched component that enables efficient repair without compromising on compatibility.

Specifications and technical data

• SKU: 8570083-6
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8570083
• Substitutable numbers: 11658570083, 8570083, 11658570082, 8570082, BG
• Fuel type: Diesel
• Category: Turbos & Parts

Function and role in the turbocharging system

The turbocharger actuator in a Diesel engine is responsible for dynamically adjusting the geometry or position of the turbine control elements, which translates into smooth torque build-up across the entire rev range. A properly functioning component:

• ensures stable boost pressure under various load conditions,
• supports the smooth operation of the B47 unit,
• reduces the risk of turbocharger overboost or underboost,
• improves the refinement and responsiveness of the diesel engine.

By maintaining the factory control characteristics, the actuator helps to keep the correct combustion parameters, which is important for both performance and the durability of components cooperating with the turbocharger.

Compatibility with BMW models

The presented actuator has been designed for use in popular BMW F-series models, such as the F10, F20, F30, and F32 LCI (facelift) with the B47 engine. This means that the design, mounting points, and the way it interacts with the electronics are adapted to the architecture of these power units.

To select the part in a safe and technically correct manner, it is worth using the OEM number or interchangeable numbers as well as the vehicle's VIN data. This helps to avoid problems with incorrect turbocharger control and ensures compatibility with the engine control unit software.

If you want to deepen your knowledge on how to select original components by numbers and VIN, as well as see practical comparison tables, the article on our blog will be helpful: Audi five-cylinder engine – a legend from Quattro to RS3 and how to take care of it using original Audi parts.

Benefits of using an original actuator

Choosing an original, dismantled turbocharger actuator is a solution that combines economic aspects with the preservation of factory control logic. Key advantages include:

• Full integration with BMW electronics – the actuator works with the factory engine controller without the need for installation modifications.
• Reproduction of serial operating parameters – maintaining the boost characteristics intended for the B47 unit.
• Possibility of restoring proper turbocharger operation after a control element failure,
• Reduction of the risk of diagnostic errors associated with the improper selection of a replacement part.

A used OEM element is particularly attractive in situations where technical compliance and predictable behavior of the turbocharging system are a priority, while keeping repair costs reasonable.

Condition, origin, and operation

The offered actuator comes from a dismantled BMW vehicle, which means it is a used part that retains the manufacturer's original specification. Such components are frequently chosen by workshops specializing in diesel engine service because they allow for maintaining the consistency of the entire turbocharging system.

To maximize the potential of a used element, it is worth ensuring proper installation, checking the electrical system, and performing computer diagnostics after replacement. Additional tips on the operation and maintenance of dismantled parts can be found in our guide: How to extend the life of used car parts?.

Related BMW turbocharging system components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as turbocharger housings, control valves, or pressure hoses, check the available parts in the BMW Turbochargers and parts category.