The new BMW 3 Series has four screw holes on the front for mounting license plate brackets or other auxiliary devices. Two of the holes are for the installation of standard license plate holders, and the other two are for the installation of personalized license plate holders or other minor auxiliary equipment, such as the installation of a front-mounted camera. Such a design can meet the installation requirements of different regions and different owners of license plates.
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At the same time, the design can also improve the beauty of the front of the car, so that the license plate bracket is more stable and firm, to avoid abnormal noise or bad vibration during driving. In short, these small holes are designed as details to make it more convenient for users to modify or use the vehicle.