BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296

BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A is an original component from the Alternators and generators category, designed for BMW diesel engines from the M57 family. It is a solution for users who expect a stable power supply for the electrical system and reliable battery charging in diesel-powered vehicles.

Specifications and technical data

• SKU: 2248296
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 2248296
• Substitutable numbers: 2248296, 12312248296, EM
• Fuel type: Diesel
• Category: Alternators & Generators

Purpose and function of the alternator

The presented alternator has been designed to work with diesel power units, which means it is adapted to the electrical load characteristics of high-performance BMW engines. It is responsible for converting mechanical energy from the crankshaft into electrical energy, powering key vehicle systems – from engine control units and comfort systems to additional equipment.

Thanks to its high current efficiency, the alternator ensures stable battery charging even during intensive use of power consumers, such as auxiliary heating, advanced audio systems, or additional electrical equipment.

Benefits of using an original BMW alternator

Using an alternator from the BMW range allows you to maintain the factory operating parameters of the charging system. This means:

• proper cooperation with the diesel engine electronics,
• appropriately selected battery charging characteristics,
• maintaining stable voltage in the vehicle's electrical system.

For the user, this translates into more reliable engine starting, a lower risk of voltage drops, and a reduction in issues with the operation of advanced onboard systems.

Condition, fitment, and installation

The alternator is offered as a used part, which is an attractive cost-effective solution while maintaining the manufacturer's original specifications. This is particularly beneficial for repairs of vehicles used intensively, where a reasonable balance between price and functionality is important.

Thanks to the factory design, the alternator is intended for direct installation in compatible BMW diesel models, without the need for modifications to the installation or mounts. This facilitates workshop work and reduces vehicle downtime.

Identification parameters and compatibility

The component has a dedicated OEM part number and associated interchangeable numbers, which facilitates clear identification and selection for a specific vehicle configuration. It is worth verifying compatibility with service documentation or the numbers found on the currently installed alternator to ensure full compatibility with your specific BMW unit.

Additionally, the product has an assigned stock keeping unit (SKU) number, which streamlines order processing and identification in sales systems, as well as information about the fuel type, making it easier to avoid mistakes when selecting parts between gasoline and diesel versions.

Expansion and modernization of the charging system

When planning broader work on the electrical power system – including, for example, replacing the battery, ground cables, or starting components – it is worth treating the alternator as the central component of the entire system. A properly selected and efficient alternator reduces the risk of system overload and premature wear of other components.

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

For those interested in broader vehicle retrofitting based on original dismantled parts, including electrical components, practical tips on equipment modernization may be useful – you can find them in the article Retrofitting in VAG and BMW group cars – how to reasonably use used parts from higher versions.

Summary

BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A is a used, original component from the Alternators and generators category, designed for BMW diesel engines. It ensures proper charging parameters, consistent with the requirements of the M57 unit and onboard electronics, providing a functional solution for drivers looking for a technically matched alternator at a reasonable price.