BMW 3 Series E90 E91 LCI N47N Engine Turbo Turbocharger Part Actuator 6NW010430

The BMW E90 E91 LCI N47N Turbo Actuator Turbocharger is an original turbocharger and parts component designed for the supercharging system in BMW vehicles with the N47N engine after facelift. This used turbo actuator allows for a cost-effective and technically correct repair of the supercharging system, while maintaining factory performance.

Specifications and technical data

• SKU: 8515188-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8515188
• Substitutable numbers: 11658515188, 8515188, 49335-19410, 6NW010430, 6NW 010 430
• Category: Turbos & Parts

Purpose and function of the BMW N47N turbine actuator

The turbocharger actuator in the N47N engine is responsible for precisely controlling the turbine geometry or wastegate (depending on the specific configuration), which translates into stable boost pressure, smooth acceleration, and correct throttle response. Using the original BMW component ensures:

• consistency with the factory engine control software,
• correct cooperation with the turbocharger used in a given N47N variant,
• maintaining standard performance and fuel consumption parameters.

Benefits of using the original turbocharger actuator

Compared to low-quality replacements, the original BMW turbo actuator offers more stable operation across the full load range. For the user, this means:

• more predictable torque characteristics – no sudden power drops or limp mode,
• better cooperation with the EGR system and particulate filter,
• reduced risk of diagnostic errors related to boost pressure.

A used OEM component is a particularly attractive solution for operational repairs when we want to maintain manufacturer quality at reasonable service costs.

Technical condition and assembly aspect

The turbocharger actuator offered is in used condition, which means it has been disassembled and is intended for continued use after proper reassembly. For these types of components, the following are key:

• precise fit to the specific version of the N47N engine in the BMW E90/E91 LCI,
• correct setting and adaptation in the engine control unit (if required by the system),
• checking the tightness of the vacuum system or electrical installation – depending on the type of actuator.

Due to the specific nature of turbocharger operation, it is recommended to have it installed at a specialized service center, which will also verify the condition of the turbine itself and other components of the turbocharging system.

Selection by OEM number and interchangeable numbers

Selecting the correct turbo actuator for your specific BMW is crucial for trouble-free installation. The most reliable method is to verify the OEM number and available replacement numbers, as well as the vehicle's VIN. If you need assistance with matching, use the practical tips in the article: Guide: How to Select the Right Car Part by VIN and OEM Number . There you'll find a step-by-step procedure and a list of information you should prepare before contacting the seller.

BMW Turbochargers and Parts – Related Offer

If you're also looking for other turbochargers and parts for BMW, check out our dedicated offer: turbochargers and parts for BMW . This makes it easy to assemble other turbocharger components, such as turbine housings, controls, and mounting hardware, while maintaining brand and category consistency.

Summary

The BMW E90 E91 LCI N47N Turbo Actuator Turbocharger is a used, original turbocharger component designed for facelifted N47N engines. Choosing this solution allows you to maintain factory engine performance parameters, reduce the risk of boost pressure issues, and optimize repair costs compared to purchasing a new part. This is a sensible option for drivers who expect compatibility with the factory BMW configuration and prioritize technically sound service solutions.