Nissens 999222 A/C Expansion Valve

Reliable A/C Expansion Valve for BMW and Mini Models

The Nissens A/C Expansion Valve 999222 is engineered to regulate refrigerant flow precisely in your vehicle's air conditioning system. Designed specifically for BMW and Mini models, this aluminum block valve ensures consistent performance with R134a refrigerant.

• Constructed from durable aluminum for long-lasting use
• Compatible with R134a refrigerant systems
• Block type design for efficient refrigerant flow restriction
• Includes four O-rings for secure sealing
• Liquid inlet and outlet fitting thread diameter: 0.5500 inches
• Suction inlet and outlet fitting thread diameters: 0.6300 and 0.7100 inches respectively

Technical Details and Compatibility

The Nissens 999222 A/C Expansion Valve is designed to meet the specific requirements of various BMW and Mini vehicles, including popular models such as the BMW 323Ci, 325i, 328i, 330i, M3, X3, X5, X6, and Mini Cooper variants like the Cooper Countryman and Paceman. Its aluminum construction provides corrosion resistance and durability under typical HVAC system conditions. The valve’s block type design allows for precise control of refrigerant flow, optimizing the air conditioning system’s efficiency. Thread diameters for liquid and suction fittings are engineered to match OEM specifications, ensuring a proper fit and leak-free operation.

Common Applications and Problem Resolution

• Regulates refrigerant flow in BMW and Mini R134a A/C systems
• Addresses inconsistent cabin cooling or fluctuating temperatures
• Replaces faulty or leaking expansion valves causing pressure imbalances
• Helps restore proper A/C system cycling and performance
• Prevents compressor damage due to improper refrigerant metering

Installation Notes and Tips

When installing the Nissens 999222 A/C Expansion Valve, ensure all O-rings are properly seated to prevent refrigerant leaks. Verify that the fitting thread diameters match your vehicle’s specifications before installation. It is recommended to evacuate and recharge the A/C system following replacement to maintain optimal performance. Professional installation is advised to ensure system integrity and safety.

Quality Assurance and Warranty

Nissens manufactures this A/C Expansion Valve to meet stringent quality standards for HVAC components. The use of high-grade aluminum and inclusion of O-rings contribute to reliable sealing and durability. While specific warranty details are not provided, Nissens products typically adhere to industry standards for automotive HVAC parts, offering dependable service life when installed correctly.