BMW X3 G01 G20 G22 Air Conditioning Evaporator Expansion Valve 6994989

BMW X3 G01 X4 G02 G20 G22 Air Conditioning Expansion Valve is a component of the cabin cooling system, responsible for the precise expansion of the refrigerant in the air conditioning system. A properly selected expansion valve ensures stable compressor operation, uniform cooling, and correct interaction with other system components. By choosing this product from the Expansion Valves category, you opt for a solution structurally adapted to specific BMW models.

Specifications and technical data

• SKU: 6994989
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6994989
• Substitutable numbers: 6994989, 64116994989
• Part type: A/C Expansion Valve
• Category: A/C Expansion Valves

Purpose and Air Conditioning System Compatibility

The presented expansion valve has been designed for modern BMW X series and 3 and 4 series models, such as X3 G01, X4 G02, G20, and G22. This means its geometry, mounting method, and refrigerant flow characteristics are tailored to the air conditioning system architecture in these vehicles. This ensures proper cooling performance and correct interaction with the evaporator and compressor.

Original origin from the BMW brand translates to consistency with the manufacturer's factory standards, which is important for both durability and stable operating parameters under various conditions.

Role of the Expansion Valve in BMW Air Conditioning

The expansion valve plays a key role in regulating the flow of refrigerant between the high and low-pressure sides. In practice, it is responsible for:

• controlled reduction of refrigerant pressure before the evaporator,
• maintaining the correct evaporator temperature,
• stabilizing compressor operation through proper refrigerant metering,
• limiting the risk of evaporator overheating or flooding.

A properly functioning expansion valve contributes to thermal comfort inside the vehicle, uniform cooling, and reduced load on other air conditioning system components. In cases of symptoms such as reduced cooling performance, uneven air conditioning operation, or pressure fluctuations, replacing the expansion valve is one of the basic diagnostic steps.

Product Characteristics and Condition

The offered item is an original expansion valve from the BMW parts group, classified in the Expansion Valves category. The product is used, allowing for an economical restoration of air conditioning system functionality while maintaining factory design and fit. This type of solution is particularly beneficial for repairs of several-year-old vehicles, where a reasonable balance between cost and quality is important.

The presence of the OEM part number and interchangeable numbers in the technical specification facilitates unambiguous identification of the component and comparison with the part currently installed in the vehicle. This helps to reduce the risk of selecting the wrong valve and avoid installation problems.

Benefits of Using an Original BMW Expansion Valve

Choosing an original BMW expansion valve offers a number of practical benefits:

• Factory Fit – compatibility with the air conditioning system design in specific BMW models, without the need for modifications.
• Stable Operating Parameters – refrigerant flow characteristics consistent with the vehicle manufacturer's specifications.
• Compatibility with Other Components – correct interaction with the evaporator, compressor, and control accessories.
• Economical Repair – a used part allows for reduced service costs while maintaining original design.

For users who are also considering other used components in engine and accessory systems, it may be valuable to learn about exhaust gas recirculation and the aftermarket parts – this is described in more detail in the article EGR: What It Is and Why Consider Used EGR Valves, which shows the broader context of using used components in modern cars.

Selection of Other BMW Expansion Valves

If you are also looking for other expansion valves for vehicles of this brand, it is worth checking the full offer in the BMW Expansion Valves category, where you will find a wide selection of components tailored to different models and generations.