The 2012 - 2015 BMW F06 640i 3.0L Rear Lower Bumper Valance Diffuser OEM is a genuine part designed specifically for BMW vehicles. This OEM part number 51128050377 is a rear lower bumper valance diffuser, offering a perfect fit for the specified vehicle model. This is not a universal part, ensuring a precise and proper installation for optimal performance and functionality. Made by BMW, this valance diffuser is a high-quality component that does not compromise on performance or fitment.