BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102

The BMW F20 F21 F30 F31 F32 N47N Diesel Engine Starter is an original part from the Starters group, designed for N47N diesel engines in popular BMW 1, 3, and 4 Series models. A used starter of this type allows for an economical yet technically sound replacement of the component responsible for reliable diesel engine starting.

Specifications and technical data

• SKU: 8574102
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8574102
• Substitutable numbers: 12418574102, 8574102
• Fuel type: Diesel
• Category: Starter Motors

Intended Use and Compatibility

The presented engine starter is dedicated to the N47N Diesel engine, used in BMW F20, F21, F30, F31, and F32 models. This makes it the right choice for users who want to maintain the factory starting characteristics without interfering with the electrical system or mounting system.

The starter has been designed as an OEM component, which in practice means:

• correct fit to the engine housing and flywheel ring gear,
• compatibility with the vehicle's factory wiring harness,
• appropriate operating parameters for the diesel engine.

Technical Characteristics of the Starter

The starter in the N47N diesel engine is responsible for dynamically accelerating the crankshaft, which is particularly important with the higher compression ratio characteristic of diesel engines. The OEM design ensures:

• stable engagement with the flywheel ring gear,
• appropriately selected starting torque,
• operation adapted to the operating conditions of a diesel engine.

By maintaining the original geometry and electrical parameters, the starter works with the vehicle's factory control and safety systems, reducing the risk of starting problems.

Practical Application and Benefits of Installation

Installing a used OEM starter in a BMW with an N47N engine is a solution that combines reasonable costs with maintaining the proper operating parameters of the starting system. Key advantages of this choice include:

• maintaining the factory mounting and connection method,
• no need for electrical system modifications,
• compatibility with the diesel engine control system.

By choosing this starter, the driver receives a component tailored to the specific engine and body configuration, which translates into predictable performance during daily use.

BMW Starters – Expansion and Service of the Starting System

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional starters, mounting elements, or assembly accessories, check the available parts in the BMW Starters category.

Technical Knowledge and the Choice of Used Components

When selecting used drive components and engine accessories, such as a starter, it is worth considering not only the price but also compatibility and technical condition. It is good practice to analyze experiences with other components, for example, the drivetrain. If you want to better understand when buying a used drive component is worthwhile and what to look for when assessing its condition, the article: Used Gearbox – When is it Worthwhile and What You Need to Remember may be helpful. The knowledge from this material also facilitates an informed choice of a used starter.

Summary

The BMW F20 F21 F30 F31 F32 N47N Diesel Engine Starter is a sensible option for users who want to restore the functionality of the starting system in their diesel BMW, while maintaining factory fit and operating characteristics. A used OEM part allows for a technically correct repair without unnecessary modifications, which is particularly important in modern diesel engines with complex electronic control.