Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225

Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A is an original component from the Alternators and generators group, designed for BMW diesel units from the N57N family. This used OEM generator ensures proper charging of the electrical system in diesel-powered vehicles, maintaining factory operating parameters and compatibility with the vehicle's electronics.

Specifications and technical data

• SKU: 8509225
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8509225
• Substitutable numbers: 12318509225, 8509225, BG
• Fuel type: Diesel
• Category: Alternators & Generators

Purpose and compatibility

The alternator has been designed for use in BMW F-series models, specifically the F30 and F32 with the N57N diesel engine. Thanks to a design compliant with factory BMW standards, the component works seamlessly with the vehicle's energy management system, start-stop system, and the extensive onboard electronics typical of modern diesel units.

Technical characteristics of the alternator

The generator belongs to the BMW Alternators and generators group, which ensures the maintenance of the appropriate current and voltage characteristics required by the electrical system of these models. The alternator's construction is adapted to the loads generated by numerous energy consumers in premium-class cars, such as comfort systems, multimedia systems, or advanced control modules.

As a component intended for a diesel engine, the alternator is adapted to operate under higher torque load conditions and more frequent start cycles. Properly selected drive ratios and excitation parameters allow for stable battery charging at both low and high engine speeds.

Advantages of using an original BMW generator

• Factory compatibility with the electrical system of the BMW F30 and F32 with the N57N engine, with no need for modifications to wiring or mounts.
• Consistency with energy management systems, which reduces the risk of controller errors and improper battery charging.
• Matched to the operating characteristics of the diesel unit, including typical starter and electrical load demands.
• Ability to maintain a uniform OEM parts standard in the vehicle, which facilitates diagnostics and service.

Condition of the component and service application

The offered alternator is a used component, which is a cost-effective solution for users looking for a factory component at a reasonable price while maintaining original BMW specifications. This type of generator is suitable both for the standard replacement of a worn-out alternator and for repairs to the charging system in heavily used vehicles.

Choosing a used OEM alternator is particularly attractive for cars with extensive electronics, where the use of parts with uncertain parameters can lead to communication problems between modules and unstable voltage in the system.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as alternators, generators, or related charging parts, check out the available parts in the BMW Alternators and generators category.

For users considering the choice between a new and a used part, comparing costs and operating parameters may be helpful. A detailed discussion of the differences, along with examples of applications and answers to frequently asked questions, can be found in the article New or used? A comparison of costs and quality of car parts.