BMW X3 G01 X4 G02 G20 G21 G22 G26 G28 G30 Alternator Generator 14V 150A 8654280

BMW X3 G01 X4 G02 G20 G21 G22 G26 G28 G30 Alternator Generator 14V 150A is an original component from the Alternators and generators group, designed for modern BMW X-series, 3-series, and 5-series models. This used alternator with a capacity of 14V 150A ensures a stable power supply for the vehicle's electrical system and proper battery charging, which is crucial for the reliable operation of all onboard systems.

Specifications and technical data

• SKU: 8654280
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8654280
• Substitutable numbers: 8654280, 12318654280, 8634167, 12318634167, 8689830, 12318689830
• Part type: Alternator
• Category: Alternators & Generators

Application and compatibility

The presented alternator is intended for BMW vehicles from the X3 G01, X4 G02, and G20, G21, G22, G26, G28, and G30 series, which are factory-equipped with a 14V 150A generator. By maintaining the OEM standard, the alternator works seamlessly with the factory wiring harness, engine control system, and energy management systems, allowing for trouble-free integration with the vehicle's electronics.

Operating parameters and alternator characteristics

The 150A capacity alternator at 14V is adapted to the high electrical load typical of modern BMWs equipped with extensive comfort, safety, and multimedia systems. This configuration ensures:

• stable battery charging at various engine speeds,
• adequate power reserve for additional electrical consumers,
• proper cooperation with start-stop systems and energy management systems.

By maintaining the factory operating characteristics, the alternator keeps the correct voltage in the system, which reduces the risk of voltage drops, controller errors, and accelerated battery wear.

Condition, origin, and benefits of choosing OEM parts

The offered item is a used BMW alternator, sourced from disassembly, which allows for maintaining original build quality and fitment for the specific vehicle generation. Choosing OEM parts from this group ensures:

• factory mounting points and compatibility with original engine brackets,
• proper electrical connection without the need for installation modifications,
• preservation of the operating parameters specified by the vehicle manufacturer.

For many users, this is a technically sound compromise between cost and quality, especially in the case of maintenance repairs on vehicles several years old.

Professional installation and diagnostics

When replacing an alternator in modern BMWs, it is recommended to have it installed at a specialized service center equipped with appropriate diagnostic tools. The correct procedure includes, among other things, checking the condition of the accessory belt, tensioner, ground connections, and verifying charging parameters after installation. This approach minimizes the risk of a recurring failure and allows you to fully utilize the potential of the installed generator.

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

Technical support for part selection

When choosing used powertrain and engine accessory components, it is worth considering not only the price but also the method of verifying the technical condition and compatibility with the specific vehicle version. For drivers planning broader service work within the engine unit, a practical guide describing how to evaluate used components and avoid common purchasing mistakes may be helpful – detailed tips can be found in the article How to buy a used car engine and not get scammed – a step-by-step guide.

Summary

BMW X3 G01 X4 G02 G20 G21 G22 G26 G28 G30 Alternator Generator 14V 150A is a functional solution for users looking for an original generator with the appropriate capacity for modern BMW models. A used alternator from the Alternators and generators group allows you to restore proper battery charging and stable power supply to the electrical system, while maintaining factory operating parameters and compatibility with the vehicle's electronics.