Find BMW X5 Cabin Air Filters & BMW X5 Washable Cabin Air Filter Locate BMW X5 Automotive Cabin Air Filters. Get BMW X5 Car Cabin Air Filters Replacement Cost. Maintaining the cabin air filter in your BMW X5 is crucial for ensuring a clean and healthy cabin environment, as it traps pollen, dust, and other pollutants. A clogged filter reduces Hvac efficiency and may produce an unpleasant odor, signaling it's time for a replacement. Extend its life by avoiding dusty roads and running the fan less frequently. When choosing a new filter, opt for either a particulate or activated carbon filter; the former handles dust and pollen, while the latter also absorbs odors and gases. High-quality filters promise durability and are typically straightforward to install, making them a smart investment for any discerning BMW X5 owner looking to enhance their driving experience.