64119226078 BMW EXPANSION VALVE E90, Price: 200.79$, Weight: 0.185kg

Understanding the Importance of the Expansion Valve

The expansion valve is a crucial component of your vehicle's air conditioning system. Its primary function is to regulate the flow of refrigerant into the evaporator, ensuring that it expands at the correct rate. Without it, the system cannot efficiently cool the air inside your car, leading to discomfort during warm weather conditions. This component is essential for maintaining both the performance and efficiency of the air conditioning system.

How the Expansion Valve Functions

Mechanically, the expansion valve controls the amount of refrigerant released according to the temperature and pressure within the system. As refrigerant enters the valve, it is atomized into a low-pressure, cold mist, which then absorbs heat from the passing air. This process is critical for producing the cooled air that gets circulated into the cabin of the vehicle.

Risks of a Malfunctioning Expansion Valve

If the expansion valve is defective, it can lead to inadequate cooling or complete failure of the air conditioning system. Symptoms may include inconsistent airflow, fluctuating temperatures, or a noticeable increase in cabin humidity. Prolonged neglect can result in further damage to other components, such as the compressor, due to improper refrigerant flow and pressure imbalance.

Compatible BMW Models

• 320D, 320I, 325I, 330I, 316I, 318D, 318I, 323I
• 325Xi, 330D, 330Xd, 330Xi, 116I, 118D, 118I, 120D
• 120I, 130I, 320Si, 328I, 335I, 325D, 335D, 328Xi
• 335Xi, M3, 123D, 135I, 128I, 125I, 320Xd, 116I 1.6
• 116D, 116I 2.0, 316D, X1 20D, X1 20Dx, X1 23Dx, X1 28Ix, X1 18D
• X1 18Dx, X1 18I, X1 25Ix, 320D Ed, 335Is, X3 20Dx, X3 35Ix, X3 28Ix
• X1 35Ix, M Coupé, X3 30Dx, X1 20D Ed, X1 20I, X1 20Ix, X1 28I, X3 20Ix
• X3 35Dx, X1 16D, X1 25Dx, X3 18D, X1 16I, Zinoro 1E, X3 18I, X3 20I
• X3 28Dx, X3 28I, X4 20Dx, X4 20Ix, X4 28Ix, X4 30Dx, X4 35Dx, X4 35Ix, X4 M40Ix