Cabin Air Cowl Filter for E Chassis Only E82 E88 E90 E91 E92 E93 X1 M3 128i 135i 328i 335i Application: For all years 1 Series E81/E87 models For 08-13 1 Series E82 Coupe All Models including 1M For 08-13 1 Series E88 Convertible For 06-11 3 Series E90 Sedan All Models including M For 06-11 3 Series E91 Touring All Models For 06-13 3 Series E92 Coupe All Models including M For 06-13 3 Series E93 Convertible All Models including M For 10-15 E84 X1 All E Chassis Models Vehicle compatibility charts are for reference only. Check your vehicle with OEM specifications to match your needs Specification: 100% quality assurance tested More responsive Less expensive Easier to install Removes factory filter and HVAC filter system, reduces vehicle weight and improves overall engine bay cooling Prevents dirt and debris from entering the engine and causing potentially expensive damage Yearly replacement of your filter ensures dust, pollen, soot, and pollution stay out of your vehicle's interior, allowing easier breathing and a healthier environment Material & Color: Material: Made of high-quality non-woven fabric and rubber Color: As shown in picture Package Included: 2 x Air Filters (, never used or installed) Installation Instructions: Remove the DME cover and brake fluid side cover Loosen the screw and remove the HVAC filter Turn clockwise to loosen, use zip ties to remove components and disconnect the sensor Remove the screw, lift up on the cowl and pull toward the front of the car Place the filter in the correct hole and tighten the bolts