1Applicable Model: Electronic control valve is applicable for CSE613C/Gl?ECV13C models, replacement for E90 E87 X5 X6 740 740Li, please confirm whether your model is applicable before buying. 2OE Number: The part numbers for reference are 6425920509601, 64529185147, 64529195974 64529205096, 64506935921, 64509237857, 64509121762, 64529185146, 64526918000, 64529195971. 3Long Term Use: This Ac compressor electronic control valve is made of premium materials with high rust resistance and durability, and will not occur failure and quality problems for a long time. 4Precise Control: This A/C compressor electronic control valve uses advanced electronic control technology to achieve precise control, thereby improving the vehicle's air conditioning effect. 5Improve Energy Efficiency: This electronic control valve for A/C compressors enables precise control to improve the energy efficiency of air conditioning, making your vehicle more energy efficient.