for E90 E91 OEM s Control HID Headlight Controller 6948180 63126948180 W3T13271 Ballast Conversion Kits

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• Lighting Control: The ballast plays a crucial role in controlling the lighting output of bulbs, providing efficient and stable illumination for enhanced visibility during night driving
• Performance: The ballast protects the circuit, provides stable current, extends the life of the bulb, reduces the frequency and cost of replacement, and enhances the brightness of the light to provide better lighting conditions
• Driver module: headlight ballast is installed at both ends of the front of the car for night lighting or when the car is driving on dimly lit roads, increasing the comfort of night driving
• Installation: The ballast is plug-and-play and installed without programming or coding the car. Directly replace old or damaged parts
• Note: To ensure that you receive the correct car ballast, please verify that your OEM matches the part number in the description or contact us