BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A is an original charging system component from the Alternators and generators group, designed for BMW vehicles with petrol engines. The 180A output ensures a stable power supply for the vehicle's electrical system, even in cars equipped with extensive comfort and safety systems.

Specifications and technical data

• SKU: 7555926-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7555926
• Substitutable numbers: 12317555926, 7555926, 12317551254, 7551254, KD, 12317551256, 7551256
• Fuel type: Petrol
• Category: Alternators & Generators

Application and technical specifications

The presented Bosch alternator is a design dedicated to BMW E60 LCI, E81, E90, and E91 series models powered by petrol fuel. The high 180A current output allows for reliable power supply to electrical consumers, such as the ignition system, multimedia systems, lighting, comfort systems, or additional electrical equipment.

The alternator belongs to the Alternators and generators group, responsible for converting the engine's mechanical energy into electrical energy and maintaining the correct battery charge level. The use of Bosch technology promotes stable operating parameters and predictable performance under typical operating conditions.

Compatibility and part identification

The component has been designed for direct installation in selected BMW models, which facilitates matching to factory mounts and the standard electrical installation. Thanks to the assignment to a specific fuel type, it is possible to precisely select the alternator for the engine configuration without the need for modifying wiring harnesses or brackets.

To facilitate selection in catalog systems, the alternator has an assigned OEM part number and interchangeable numbers, which allows for verifying compatibility with the currently installed component. Information such as SKU, brand, and condition is also available in the product description, helping to clearly identify the item in the store's offer.

Condition, origin, and benefits of choosing

The offered alternator is a used part, sourced from a dismantled BMW vehicle. Such components are frequently chosen by users who want to optimize repair costs while maintaining performance characteristics close to factory standards. Using an original component from the same brand reduces the risk of fitment issues and minimizes the need for installation modifications.

Choosing a Bosch 180A alternator allows for:

• maintaining stable battery charging under typical operating conditions,
• providing sufficient power reserve for extensive onboard electronics,
• maintaining consistency with the factory BMW electrical architecture,
• reducing service costs through the use of a used part with a proven design.

Practical installation and maintenance tips

When replacing the alternator in a BMW E60 LCI, E81, E90, or E91 series, it is recommended to check the condition of the accessory belt, tensioner, and ground connections each time to fully utilize the potential of the newly installed component. Proper selection of the alternator according to fuel type and vehicle generation is crucial for correct cooperation with the engine control system and energy management system.

Due to the specifics of BMW electrical systems, it is worth entrusting the installation to a workshop with experience with this brand, which will help avoid installation errors, incorrect belt tension, or problems with diagnosing potential charging faults.

Expanding the charging system in BMW

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as alternators with different outputs, auxiliary generators, or compatible mounts, check the available parts in the BMW Alternators and generators category.

For drivers interested in a broader perspective on the operation and repair of power units and service cost optimization, an article comparing popular Volkswagen engines may be helpful – Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs. It allows for a better understanding of the importance of proper selection of used components, such as alternators, in the context of long-term vehicle maintenance costs.