The BMW E90 E91 E92 E93 M57N2 Air Conditioning Compressor Kompressor is an original cabin cooling system component designed for 3 Series models with the M57N2 diesel engine. A used compressor ensures a factory fit for the air conditioning installation, simplifying servicing and reducing the risk of compatibility issues.
Specifications and technical data
- SKU: 6924792
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6924792
- Substitutable numbers: 64526924792, 6924792
- Fuel type: Diesel
- Category: A/C Compressors & Clutches
Intended Use and Compatibility with BMW 3 Series
The presented air conditioning compressor is dedicated to BMW 3 Series vehicles of the E90, E91, E92, and E93 generation equipped with the M57N2 diesel engine. Thanks to its construction conforming to factory BMW standards, the compressor works with original engine accessories, air conditioning lines, and electronic control, allowing for the maintenance of proper system operating parameters.
The air conditioning system in these models is closely linked to the characteristics of the diesel unit, which is why using a compressor designed for the M57N2 version is crucial for correct refrigerant pressure regulation, stable idle operation, and proper engine load.
Compressor Construction and Operating Characteristics
The air conditioning compressor in the BMW 3 Series with the M57N2 engine is a component driven by the accessory belt, working in conjunction with the air conditioning control system and pressure sensors. The compressor's design is intended to:
- maintain stable refrigerant pressure across a wide range of diesel engine speeds,
- ensure efficient cabin cooling even under high thermal load,
- reduce noise and vibrations transmitted to the body,
- work with the factory air conditioning control in E90, E91, E92, and E93 models.
Thanks to its adaptation to the specific engine unit, the compressor maintains the correct balance between cooling performance and engine load, which is important for fuel consumption and driving comfort.
Application in M57N2 Diesel Engines
M57N2 diesel engines are characterized by high torque and a specific operating profile, which is why an air conditioning compressor dedicated to diesel units must be adapted to a different range of vibrations and loads than in petrol versions. Using the correct compressor allows for:
- maintaining predictable air conditioning system behavior at low and high RPMs,
- minimizing the risk of leaks resulting from improper component fit,
- maintaining proper cooperation with the control electronics responsible for temperature and pressure regulation.
For BMW 3 Series diesel engine owners, choosing a compressor designed for the M57N2 is key to avoiding problems with inadequate interior cooling, air conditioning control unit errors, or excessive accessory drive load.
Category: BMW Air Conditioning Compressors and Clutches
If you are looking for other components from the BMW Air Conditioning Compressors and Clutches category for your car, check out the available products in the BMW Air Conditioning Compressors and Clutches section, where you will find a wide selection of original used parts.
Benefits of Choosing a Used Compressor
Choosing a used air conditioning compressor for the BMW 3 Series is a sensible solution for drivers who want to keep their car in good technical condition while controlling service costs. An original used part allows for maintaining:
- factory fit for the installation without the need for modifications,
- consistency of air conditioning system operating parameters with the manufacturer's specifications,
- a favorable price-to-quality ratio compared to new premium parts.
More about the advantages of using used premium components, such as air conditioning compressors or suspension parts, can be found in the article used parts for Mercedes – original used parts, which discusses the economic and technical aspects of such a solution.
Summary
The BMW E90 E91 E92 E93 M57N2 Air Conditioning Compressor Kompressor is the right choice for 3 Series diesel engine users who need a factory-compliant air conditioning system component. The original design intended for the M57N2 unit supports the stable operation of the entire system, ensuring thermal comfort in the cabin and proper cooperation with the engine accessories and vehicle electronics.
