BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967

BMW E81 E90 E91 E60 Petrol Alternator Generator 150A is an original component from the Alternators and generators category, designed for BMW vehicles with petrol engines. This used 150A alternator ensures a stable power supply for the electrical system and proper battery charging, which is crucial for the reliable operation of all vehicle systems.

Specifications and technical data

• SKU: 7550967-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7550967
• Substitutable numbers: 12317543083, 7543083, 12317542529, 7542529, 7550967
• Fuel type: Petrol
• Category: Alternators & Generators

Application and compatibility

The 150A alternator dedicated to the BMW E60, E81, and E90 series has been designed for vehicles powered by petrol fuel. By maintaining factory operating parameters and the original OEM design, this component integrates with the charging system without the need for modifications to the electrical installation or mounting points.

A properly selected alternator is particularly important in modern BMWs, where extensive electronics, comfort systems, and advanced control modules generate high energy demand. The 150A capacity allows for stable system operation even under high loads, such as when the air conditioning, heated seats, or an advanced audio system are in use.

Construction and operating parameters

The alternator in this series uses a classic, proven AC generator design with a built-in voltage regulator. This solution ensures:

• maintenance of the correct battery charging voltage across a wide engine speed range,
• stable power supply for all electrical consumers in the vehicle,
• resistance to typical operational loads in both city and highway driving conditions.

Thanks to the preservation of the original housing geometry and mounting points, the alternator is ready for installation in the factory locations provided by the vehicle manufacturer. This facilitates the mechanic's work and reduces replacement time, which translates into lower service costs.

Benefits of using an original BMW alternator

Choosing a used, original BMW alternator for a petrol engine offers a number of practical advantages:

• Factory fit – maintained compatibility with the electrical system, engine accessories, and mounting layout.
• Consistent operation with vehicle electronics – the alternator works seamlessly with factory controllers and the energy management system.
• Reduced risk of charging issues – a properly selected component minimizes the risk of voltage drops, battery overcharging, or errors in comfort systems.
• Economical service solution – a used OEM component allows you to combine a reasonable cost with performance close to factory specifications.

Condition and service purpose

The offered alternator is a used component, intended as a replacement in the event of failure or wear of the factory generator in your BMW. It is a practical solution for users who expect a proven OEM design while wanting to maintain a rational repair budget.

Before installation, a standard service procedure is recommended: checking the condition of the drive belt, idler pulleys, as well as ground connections and power cables. Correct installation and verification of the electrical system allow you to fully utilize the potential of the alternator and ensure stable operation of the charging system.

Charging system expansion 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 additional generators, alternators with different capacities, or compatible mounting elements, check the available parts in the BMW Alternators and generators category.

To better plan your service and reduce vehicle downtime at the workshop, it is worth learning practical tips regarding the selection and availability of used parts – you can find more on this topic in the article No more weeks of waiting – how a wide assortment in one warehouse really shortens your car's downtime at the mechanic's?.