BMW F20 LCI F30 F56 Alternator Generator DENSO 150A 7640132

BMW F20 LCI F30 F56 F60 Alternator DENSO 150A 7640132 is an original charging system component from the Alternators and Generators group, designed for select BMW F-series models. The efficient DENSO design with high performance ensures stable power supply to the vehicle's electrical system and proper battery charging, which translates to reliable operation of all onboard systems. A used OEM component is a sensible choice for drivers seeking a technically matched solution at an attractive price.

Specifications and technical data

• SKU: 7640132
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7640132
• Substitutable numbers: 12317640132, 7640132, 7640131, 12317646814, 7646814, 12317640875, 7640875
• Category: Alternators & Generators

Intended Use and Compatibility with BMW Models

The presented alternator is structurally designed to work with powertrains used in BMW F-series, including F20 LCI, F30, F56, and F60 body styles. This means maintaining factory mounting geometry, correct pulley alignment, and proper rotation direction, which facilitates installation in place of a worn alternator without the need for modifications.

By using an original manufacturer solution, the operating parameters intended by BMW engineers are preserved, including a charging characteristic adapted to the extensive onboard electronics and comfort systems.

DENSO Technology and Operating Parameters

The DENSO alternator belongs to the group of modern generators with optimized efficiency, which reduces mechanical load on the engine while maintaining stable system voltage. The applied rotor and stator design, as well as a precisely selected voltage regulator, contribute to smooth operation across a wide range of RPMs.

In practice, this means:

• reliable battery charging during city driving and short trips,
• stable power supply to high-current consumers (lighting, heating, multimedia systems),
• maintenance of parameters required by engine control units and safety systems.

Thanks to its OEM design, the alternator works with original engine accessories, including the accessory belt and tensioner, which reduces the risk of incorrect belt tension or accelerated wear of drive components.

Benefits of Using an Original BMW Alternator

Choosing a used, original BMW alternator with DENSO technology is a solution that combines controlled costs with the preservation of factory standards. Key advantages include:

• Full structural compatibility with the factory charging system in the specific BMW model,
• preservation of the electrical system's operating characteristics as intended by the manufacturer,
• the ability to use existing wiring harnesses and connectors without adaptation,
• reduction of the risk of control unit errors resulting from the use of unsuitable aftermarket parts.

Additionally, using an original component from the Alternators and Generators group helps maintain the integrity of the entire powertrain, which is important for further vehicle diagnostics and servicing.

Condition, Origin, and Part Identification

The offered alternator is a used part, sourced from a dismantled BMW vehicle. Such components are often chosen for repairs where maintaining original specifications while limiting costs is crucial. The product has an assigned OEM part number and related interchangeable numbers, which facilitates unambiguous identification and selection for a specific engine configuration.

The product description and specification section provide data to verify compatibility with your vehicle, including the manufacturer's designation and brand information. Before purchasing, it is advisable to compare this information with your service documentation or the markings on your currently installed alternator.

Assistance with Selection and Additional Technical Information

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional generators, mounting elements, or belt drive accessories, check the available parts in the BMW Alternators and Generators category.

For users interested in a broader technical context, including the impact of the charging system on the operation of BMW diesel engines, an article comparing popular diesel engines from this brand may be helpful – a detailed comparison can be found in the material BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels.