Evaporator Expansion Valve BMW E60 E61 E63 E64 Air Conditioning 6964286

BMW E60 E61 E63 E64 Air Conditioning Expansion Valve is an original cabin cooling system component designed for BMW 5 and 6 Series models. As a part from the Miscellaneous category, it is a precise component that controls the expansion of the refrigerant, ensuring stable and predictable air conditioning operation. A used OEM part is a sensible choice for drivers seeking a technically matched solution while maintaining cost-effective servicing.

Specifications and technical data

• SKU: 6964286
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6964286
• Substitutable numbers: 64116964286, 6964286, 64119138032, 9138032, 64119178316, 9178316, 64116921051, 6921051
• Category: Other Air Conditioning & Heating

Purpose and Role in the Air Conditioning System

The expansion valve in BMW E60, E61, E63, and E64 series is responsible for the controlled reduction of refrigerant pressure before it enters the evaporator. A properly functioning component:

• stabilizes cabin vent temperature,
• limits pressure fluctuations in the system,
• supports even compressor load,
• maintains air conditioning efficiency under various operating conditions.

This ensures that the BMW air conditioning system maintains predictable operating parameters, and thermal comfort inside the vehicle remains constant.

Why Choose an OE BMW Expansion Valve

Using an original expansion valve in the E60/E61/E63/E64 series ensures compatibility with the factory design specifications. In practice, this means:

• compliance with the factory air conditioning operating characteristics,
• proper interaction with other system components (compressor, condenser, evaporator),
• maintenance of parameters specified by the vehicle manufacturer,
• reduced risk of pressure and temperature regulation issues.

A used OEM part is particularly attractive for service repairs where both technical compatibility and optimization of vehicle operating costs are important.

Condition, Installation, and Service Aspects

The offered BMW air conditioning expansion valve is a used part from a dismantled vehicle and is intended for reinstallation in compatible 5 and 6 Series models. When replacing, it is recommended to:

• check the entire air conditioning system for leaks,
• verify the condition of the hoses and evaporator,
• perform a pressure test after installation,
• recharge the refrigerant according to the vehicle manufacturer's guidelines.

This service approach allows for the full utilization of the installed valve's potential and reduces the risk of further system interventions.

Compatibility and Interchangeable Numbers

The part has a dedicated OEM part number and a set of interchangeable numbers, which facilitates verification of compatibility with specific versions of BMW E60, E61, E63, and E64. Before purchasing, it is advisable to compare the markings with your existing part or vehicle documentation to ensure full compatibility with your specific vehicle. The presence of multiple reference numbers increases flexibility in selection within the same model group.

Other BMW Parts – Miscellaneous Category

If you are looking for other parts from the Miscellaneous BMW category for your car, check out our dedicated offer, where you will find a wide selection of auxiliary and installation components: Miscellaneous BMW – full offer of supplementary parts.

Technical Knowledge and BMW Project Development

When planning more extensive modifications or repairs on premium-class cars, it is advisable to use reliable sources of technical knowledge. For a comparison of design solutions in the high-performance car segment, you can explore an analysis of the differences between sports versions and standard models within the VAG group: Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. Such materials help to better understand manufacturers' approaches to designing powertrain, braking, and cooling systems, which can also be useful when servicing BMW vehicles.