The Genuine BMW Cover Housing Microfilter Left - 64319245593 is a protective cover for the microfilter on the left side of a BMW vehicle. It is an authentic BMW product designed specifically for BMW models. The cover helps to keep the microfilter clean and free from debris, ensuring that the vehicle's air filtration system functions properly. The cover is made with high-quality materials and is a crucial component for maintaining the overall performance and longevity of the vehicle. It is a necessary replacement part for any BMW owner looking to keep their vehicle in top condition.