BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7808074

BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel is an original component from the Alternators and generators category, designed for BMW N57 family diesel engines. The used OEM Valeo alternator ensures a stable power supply for the vehicle's electrical system and proper battery charging under demanding operating conditions.

Specifications and technical data

• SKU: 7808074-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7808074
• Substitutable numbers: 12317808074, 7808074, 12317803724, 7803724
• Fuel type: Diesel
• Part type: Alternator
• Category: Alternators & Generators

Purpose and compatibility

The presented alternator has been designed to work with Diesel engines in high-end BMW models, such as the E70 LCI and F10 with the N57 engine. The OEM Valeo design guarantees a proper fit with factory mounts, correct operation with the accessory belt, and compatibility with the factory charging control system. By using an original manufacturer solution, the alternator maintains appropriate voltage and current parameters, which is crucial for the proper operation of electronic systems, comfort features, and advanced safety systems in modern BMWs.

Operating parameters and role in the electrical system

The 180A capacity alternator has been selected to meet the high energy demand of vehicles equipped with numerous electrical consumers. This configuration allows for a stable power supply for, among others, control units, multimedia systems, heating, lighting, and additional comfort modules, even under heavy system load. In practice, this means:

• reliable battery charging during typical city and highway driving,
• power reserve for additional electrical consumers,
• reduced risk of voltage drops affecting the performance of electronics. A properly selected alternator is particularly important in diesel engines, where extensive control and heating systems require a stable energy source.

Benefits of using an original BMW / Valeo alternator

Using an original BMW alternator manufactured by Valeo instead of aftermarket replacements allows you to maintain the factory charging system parameters. The most important advantages include:

• Factory compatibility – the alternator works with the original wiring, control units, and engine accessories without the need for modifications.
• Stable electrical parameters – properly selected charging characteristics limit the risk of battery overcharging or undercharging.
• Better integration with vehicle systems – correct cooperation with energy management systems used in modern BMWs. A used OEM component is a reasonable compromise between cost and quality, especially for vehicles used intensively, where both reliability and repair economy are important.

Condition, verification, and service application

The alternator is offered as used, which allows for a significant reduction in repair costs compared to a new OEM component, while maintaining the original design and purpose. This type of part is perfect for:

• standard replacement of a worn-out alternator in an N57 engine,
• post-accident repairs,
• servicing fleet vehicles, where quick availability and predictable operating parameters are essential. Thanks to the preservation of factory specifications, the installation of the alternator is straightforward for an experienced mechanic and does not require any electrical or mechanical modifications.

BMW alternators and generators – expansion and modernization of the charging system

If you are planning a comprehensive repair or modernization of the engine area in your BMW and need other components from the same group, such as additional alternators with different capacities, generators for other engine versions, or compatible accessory components, check the available parts in the BMW alternators and generators category.

More about the advantages of used OEM parts

When planning a repair, it is worth considering the impact of part availability on the vehicle's downtime in the workshop. If you want to learn how used OEM components – such as BMW alternators – help shorten service time and reduce costs, read the article Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten workshop stays?.