BMW E87 M47N2 Turbo Charger Actuator Garret 7792413 6NW008412 712120

The BMW E87 M47N2 Garret Turbocharger Actuator is an original equipment turbocharger and parts component designed to precisely control the turbine geometry in a diesel engine. This actuator ensures a factory fit with the BMW turbocharger system, simplifying service and reducing the risk of compatibility issues.

Specifications and technical data

• SKU: 7792413-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7792413
• Substitutable numbers: 11657792413, 7792413, 6NW008412, 6NW 008 412, 712120
• Category: Turbos & Parts

Purpose and function of the turbocharger actuator

The Garret turbocharger actuator is responsible for controlling the position of the variable geometry vanes or valve in the turbocharger, which translates into proper boost pressure buildup throughout the entire rpm range. In the BMW M47N2 engine, this component works with the engine electronics to stabilize operating parameters and support uniform torque development.

An efficient controller is crucial for:

• maintaining the appropriate boost pressure under various load conditions,
• limits engine failure mode and power drops,
• proper cooperation with the injection system and engine control system.

Construction, fitting and assembly

This component comes from the Turbocharger and Parts group, meaning its design is optimized for high-temperature operation and variable loads. The actuator housing is designed to mount directly onto the Garret turbocharger housing used in the BMW E87 with the M47N2 engine.

The main mounting advantages include:

• factory mounting points compatible with the original Garret turbocharger,
• electrical connector prepared for cooperation with the BMW installation,
• can be used as a replacement for an element with matching reference numbers (details in the technical specification).

When replacing, it is recommended to perform adaptation and calibration in the engine control unit to ensure correct operation of the turbine geometry and avoid diagnostic errors.

Used condition - conscious service choice

This BMW turbocharger actuator is offered in used condition, allowing for a cost-effective repair of the turbocharger system while maintaining the original manufacturer's specifications. A used OEM component is a sensible solution in situations where:

• the previous controller has been mechanically or electronically damaged,
• errors related to boost regulation and power limitation appear,
• quick replacement is necessary while maintaining the factory fit.

Before installation, it's worth verifying the turbocharger's mechanical condition and the vacuum/control system's integrity to ensure the new actuator operates in stable conditions. A properly selected and installed component helps restore proper boost characteristics and reduce the risk of recurring failures.

Benefits of using the original BMW Garret adjuster

The use of the original actuator in the BMW E87 M47N2 brings a number of practical service and operational benefits:

• compatibility with the factory engine control software,
• appropriate operating characteristics adapted to the Garret turbocharger,
• stable control of turbine geometry and better repeatability of boost parameters,
• reducing the risk of adaptation problems compared to random substitutes.

For workshops and users, this means easier diagnostics, predictable engine behavior, and the ability to maintain parameters close to factory specifications without the need for costly replacement of the entire turbocharger.

Other BMW turbochargers and parts and service knowledge

If you're looking for other turbochargers and parts for BMW, check out our dedicated BMW turbochargers and parts section. There, you'll find a wide selection of turbocharger components tailored to various BMW models.

When performing comprehensive driveline maintenance, it's also important to ensure thermal comfort inside the vehicle. Practical tips on selecting OEM components and scheduling maintenance can be found in the article: Air Conditioning and Heating – Parts Selection and Maintenance for Year-Round Comfort . This will make it easier to plan the full range of service work on your vehicle.