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.

BMW F20 F21 Diesel N47N 114d 116d Turbocharger Control Module is a specialized component from the turbocharger and parts category, designed to precisely control the operation of the turbine in BMW 1 Series diesel engines. The module used ensures factory operating characteristics, maintaining the correct boost parameters and supporting the stable operation of the drive unit.

Specifications and technical data

• SKU: 8514667-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8514667
• Substitutable numbers: 11658514667, 8514667, 11658514666, 8514666, 6NW010430, 6NW 010 430, 1107269, 59001107269
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and function of the turbocharger controller module

The turbocharger controller module is responsible for electronically controlling the turbine geometry or valve in the N47N diesel engine used in the BMW F20 and F21 models in versions 114d and 116d. A properly functioning controller allows for:

• maintaining the appropriate boost pressure throughout the full rpm range,
• smooth torque development without jerks,
• better throttle response at low and medium revs,
• reducing the risk of turbine overload and related engine controller errors.

Thanks to this, the engine maintains its factory operating smoothness and the charging system works properly with the vehicle electronics.

Benefits of using the original BMW module

For components like the turbine controller , compatibility with the vehicle's software and electrical system is crucial. The original BMW OE module ensures:

• secure fit to the electrical harness and turbocharger mountings,
• proper cooperation with the engine control unit,
• maintaining factory boost control maps,
• reduced risk of diagnostic errors and emergency mode.

This solution is particularly recommended for repairs to the turbocharging system in modern diesel engines, where control precision has a direct impact on performance and fuel consumption.

Condition, origin and use in a diesel engine

The module offered comes from a disassembly and is considered a used original part . This means the user can restore the turbocharger's performance while maintaining a favorable cost-to-performance ratio. The component is designed for diesel- powered engines, ensuring compatibility with the N47N unit's operating characteristics.

Replacing the turbocharger controller is particularly recommended when symptoms such as:

• loss of power and reduction of rotational speed,
• engine light and charging errors,
• uneven acceleration or noticeable "gaps" in acceleration.

It is always worth confirming the selection of the correct module based on the vehicle data and reference numbers in the technical specification.

Technical support, compatibility and additional resources

When planning a turbocharger repair for your BMW 1 Series, it can be helpful to compare available components within a single category. If you're looking for other turbochargers and parts for BMW, check out our BMW turbochargers and parts section to find components that fit your specific engine version and year.

If you want to better understand how to choose used supercharger components and other components, our guide will be helpful: The Best Used Car Parts – A Guide to the Most Commonly Selected Original Parts for Popular Car Makes and Models . You'll find practical tips on how to wisely choose used original components for a durable and cost-effective repair.

For those interested in improving the dynamics of a diesel vehicle, including optimizing the operation of the turbine, it is also worth reading the material How to increase engine power: a practical guide to engine tuning with used parts , which discusses the possibilities of safe use of used components in drive system modifications.