Application: For BMW 1 Series E81, E82, E87, and E88 models. For BMW 3 Series E90, E91, E92, and E93 models. For BMW X1 E84 models. Vehicle compatibility charts are for reference only. Verify fitment using your vehicle’s OEM specifications. Specification: Quality-assured, responsive performance, cost-effective, easy installation. Replaces factory air filter and HVAC filter system. Reduces vehicle weight and enhances engine bay cooling. Helps prevent dirt and debris from entering the engine. Annual replacement helps reduce dust, pollen, soot, and airborne pollutants inside the vehicle. Material & Color: Non-woven fabric and rubber. Color matches product image. Package Includes: 2 x Air Filters (new, unused, uninstalled). Installation Instructions: Remove DME cover and brake fluid reservoir cover. Loosen screws and remove HVAC filter. Turn clockwise to loosen, then remove with zip ties. Disconnect sensor. Remove screws, lift cowl panel, and pull forward. Insert filter into correct location and secure with bolts. Note: Actual color may vary slightly due to screen and lighting conditions. Slight dimensional variations may occur due to manual measurement.