BMW X3/X4 Lower Door Molding / Blade Rear, Right 51137442802

This OEM lower door molding blade, positioned on the rear right side of the vehicle, serves as a key component of the exterior trim system for BMW X3 and X4 models from 2018 to 2023. Its primary function is to protect the edges of the door from damage and wear, while also providing a smooth transition between the door and the vehicle body. Common issues that necessitate replacement include cracking, fading, or detachment due to weathering or impact. This part is identified by OEM part number 8499212 and the Bosch number 7442802. As a factory-original replacement, it ensures proper fitment and maintains the integrity of your vehicle’s aesthetic and functional performance.