Visual condition of the part

The product shows signs of use visible in the photos.

Visual condition of the part

The product has traces of use visible in the photos.

The BMW E90 LCI N47N Engine Turbocharger Actuator is an original turbocharger and parts component designed for the N47N engine's supercharging system. This actuator allows you to restore proper turbine operation, stabilize boost pressure, and properly control geometry, which translates into efficient engine operation.

Specifications and technical data

• SKU: 8515188-8
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8515188
• Substitutable numbers: 11658515188, 8515188, 49335-19400, 6NW010099, 6NW 010 099
• Category: Turbos & Parts

Purpose and function of the turbocharger actuator

The turbocharger actuator for the N47N engine is responsible for precise control of the turbine mechanism in the BMW E90 LCI series. A properly functioning component ensures:

• stable boost pressure across the full rev range,
• smooth engine response to pressing the accelerator pedal,
• reducing the risk of turbine overloading or underloading,
• better operation of the drive unit in everyday use.

Replacing a worn or damaged actuator with a functional used element is often the most rational service solution, allowing the restoration of the correct operating parameters of the supercharging system without interfering with the turbocharger itself.

Original origin and replacement numbers

This BMW turbocharger actuator comes from the manufacturer's original equipment parts line. It has a dedicated OEM part number and assigned interchangeable numbers, facilitating clear identification in service catalogs and parts selection programs.

Thanks to the reference numbers, it's possible to check compatibility with a specific version of the N47N engine and verify compatibility with the factory turbocharger installed in the BMW E90 LCI. This is important for the safety and durability of the entire supercharging system.

Technical condition and benefits of choosing a used part

The controller offered is in used condition, meaning it has been disassembled but retains full functionality required for continued use. Choosing this solution allows for:

• reduce the cost of repair compared to purchasing a brand new item,
• maintain the original specifications of the supercharging system,
• avoid problems typical of cheap, low-quality substitutes.

A used turbocharger actuator is particularly attractive in the case of operational repairs, where the priority is to maintain the factory engine operating parameters within a reasonable service budget.

Why is it worth choosing the original BMW adjuster?

Selecting the correct turbo actuator for the N47N engine has a direct impact on the durability of the engine. This original BMW component ensures:

• consistency with engine control software,
• proper cooperation with the turbocharger mechanics,
• appropriate operating characteristics over the entire load range.

This is particularly important in modern diesel engines, where the precision of boost control affects not only performance, but also fuel consumption and the load on the internal engine components.

Other BMW turbochargers and parts

If you are also looking for other turbochargers and parts for BMW, check out the turbochargers and parts for BMW available in our store to choose the parts that are perfectly suited to your model.

Technical knowledge and parts selection

When working with supercharging systems and engine accessories, it's important to use reliable sources of information. For users interested in lighting and electrical equipment, we've prepared a guide discussing the selection of used OEM components in BMW vehicles and beyond – you can find it here: a complete guide to selecting and replacing used LED and Xenon headlights .

Summary

The BMW E90 LCI N47N Turbocharger Adjuster is a practical solution for drivers who want to restore proper turbocharging system operation while maintaining the original manufacturer's specifications. A used, genuine turbocharger and parts component offers a reasonable compromise between repair cost and quality, allowing for safe and predictable operation of the N47N engine in everyday driving.