A/C Compressor BMW G11 G12 G30 G31 Air Con Conditioning Pump 7945819

BMW G11 G12 G30 G31 Air Conditioning Compressor 7945819 is an original cabin cooling system component from the BMW group, designed for installation in luxury models of the 7 Series G11/G12 and 5 Series G30/G31. A used air conditioning compressor allows for a technically correct repair or replacement of the unit while maintaining the system's factory operating characteristics.

Specifications and technical data

• SKU: 7945819
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7945819
• Substitutable numbers: 7945819, 64527945819, 6822847, 64526822847, 9375057, 64529375057
• Category: A/C Compressors & Clutches

Compressor Purpose and Characteristics

The BMW air conditioning compressor from this series is designed to work with the factory air conditioning system in G11, G12, G30, and G31 body types. The OEM design ensures proper refrigerant pressure, stable operation across the full engine speed range, and compatibility with the factory electronic control.

This component belongs to the Air Conditioning Compressors and Clutches category, meaning it is a key sub-assembly responsible for compressing the refrigerant and maintaining the efficiency of the entire system. This allows for achieving a comfortable interior temperature in the vehicle, both in urban conditions and during highway driving.

Advantages of Using an Original BMW Compressor

Choosing an original BMW air conditioning compressor offers a number of technical benefits:

• Factory Fitment – compatibility with mounting points, lines, and accessories in the engine bay of dedicated models.
• Correct Operating Characteristics – maintaining the pressure and performance parameters specified by the vehicle manufacturer.
• Electronics Integration – proper cooperation with sensors, the climate control module, and comfort systems in BMW G series vehicles.
• Optimal Workmanship – reduction of vibrations and noise thanks to a design that meets manufacturer requirements.

A used OEM component allows for economical repair while maintaining high quality of execution and predictable air conditioning system behavior.

Condition, Verification, and Service Application

The compressor is from a dismantled vehicle and is offered as a used BMW part. Such elements are frequently used in professional workshops specializing in the brand, as they enable the restoration of the air conditioning system's functionality at controlled service costs.

By retaining the original manufacturer's specifications, the compressor is suitable for both standard replacement of a damaged unit and for post-accident repairs where recreating the vehicle's factory configuration is crucial. Proper part selection based on OEM and interchangeable part numbers helps avoid compatibility issues and speeds up the installation process.

Integration with the BMW Air Conditioning System

BMW G11 G12 G30 G31 Air Conditioning Compressor 7945819 works with other system components such as the condenser, evaporator, dryer, and expansion valve, forming a cohesive interior cooling system. A correctly selected compressor is crucial for:

• maintaining stable refrigerant pressure throughout the circuit,
• ensuring uniform cabin cooling under various engine loads,
• protecting other components from overload and excessive wear.

Using original components in the air conditioning system reduces the risk of leaks, improper compressor clutch operation, and errors in the vehicle's diagnostic system.

Other BMW Air Conditioning Compressors and Used Parts Knowledge

If you are looking for other BMW air conditioning compressors and clutches compatible with various models of this brand, check out our dedicated category: BMW Air Conditioning Compressors and Clutches. There you will find a wide selection of original dismantled components that allow for professional cabin cooling system repair.

You can read more about the advantages of using premium used parts, such as air conditioning compressors or other comfort components, in an article on our blog: Used Mercedes Parts – Original Parts from Dismantling. Although the text concerns a different brand, it describes the general principles of selecting and operating used OEM components, which are also relevant for BMW.