BMW E60 Z4 E89 Air Con A/C Air Conditioning Compressor Pump 2.5 N52 9174803

BMW E60 Z4 E89 Air Con A/C Air Conditioning Compressor Pump 2.5 N52 is an original cabin cooling system component designed for BMW petrol engines. This used compressor from this series ensures stable air conditioning performance while maintaining factory specifications and proper compatibility with engine accessories. It is a solution for users who expect a proven component at a reasonable price while maintaining high manufacturing quality.

Specifications and technical data

• SKU: 9174803-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9174803
• Substitutable numbers: 64509174803, 64526956715, 64529122620, 64522147460, 9174803, 6956715, 9122620, 2147460
• Fuel type: Petrol
• Category: A/C Compressors & Clutches

Purpose and compatibility

The presented air conditioning compressor is dedicated to BMW models from the E60 and Z4 E89 families equipped with the 2.5 N52 petrol engine. The compressor design has been engineered to meet the specific requirements of the power unit, which translates into correct refrigerant pressure, appropriate efficiency, and stable air conditioning system operation under typical road conditions.

Thanks to the use of an original BMW solution, the compressor maintains full compatibility with factory accessories, hoses, mounts, and the vehicle's electronic control system. This is particularly important when replacing components in modern air conditioning systems, where installation tolerances and operating parameters are strictly defined.

Technical characteristics of the compressor

The compressor belongs to the Air conditioning compressors and clutches category, responsible for compressing the refrigerant and maintaining proper circulation throughout the system. In the case of N52 petrol units, it is crucial to maintain the appropriate mechanical load on the engine, which is why the compressor design has been optimized for:

• cooling efficiency at typical engine speeds,
• smooth engagement and disengagement of the drive,
• reduction of vibrations transmitted to accessories,
• stable operation across a wide range of ambient temperatures.

A properly selected compressor for a petrol engine minimizes the risk of overloading the drivetrain and ensures thermal comfort inside the vehicle even during prolonged use.

Condition, selection, and installation safety

The offered compressor is a used item, which in practice means the possibility of obtaining a proven component at a more favorable price than a new replacement. When selecting a compressor for a BMW with an N52 engine, it is worth paying attention to compatibility with the power unit, fuel type, and specific body model. Proper selection reduces the risk of leaks, incorrect refrigerant pressure, or air conditioning control errors.

Before installation, it is recommended to perform standard service procedures, such as checking the system for leaks, verifying the quantity and type of refrigerant, and assessing the condition of the receiver-drier and hoses. A correctly performed compressor replacement allows for restoring full air conditioning functionality and ensuring vehicle comfort during both summer and winter seasons.

Benefits of using an original BMW compressor

Using an original compressor in a BMW E60 and Z4 E89 with an N52 petrol engine offers a number of practical benefits:

• Factory fit – maintaining the original geometry of mounts and connections with the air conditioning system.
• Predictable operating parameters – compliance with air conditioning control maps used in BMW ECUs.
• Reduced risk of installation issues – no need for system modifications or custom intermediate parts.
• Consistency with other cabin cooling system components.

For users who frequently use air conditioning, choosing an original compressor is a way to maintain driving comfort and avoid recurring faults resulting from mismatched replacements.

Technical support and additional materials

To better plan the compressor replacement in your BMW, it is worth familiarizing yourself with practical tips regarding diagnostics and installation. Detailed information on typical symptoms of compressor failure, causes of breakdowns, and principles of safe replacement can be found in the article: Air conditioning compressor – failure symptoms, causes, and safe replacement.

If you are planning a comprehensive repair or upgrade of your BMW's air conditioning system and need other elements from the same group, such as additional compressors, clutches, or compressor drive components, check out the available parts in the BMW air conditioning compressors and clutches category.