The Hengst Air Filter (X3 Z4) - E852L is a high-quality air filter designed for use in BMW X3 and Z4 models. It is made with durable materials and is designed to effectively filter out dirt, dust, and other contaminants from the air entering the vehicle's engine. This air filter is an essential component for maintaining the performance and longevity of your vehicle's engine. It is easy to install and is a direct replacement for the original air filter. Keep your BMW running smoothly and efficiently with the Hengst Air Filter (X3 Z4) - E852L.