Washable cotton-gauze engine air filter. Package contains one filter. Filter dimensions: 9.25 x 6.875 x 1 inches.
Manufacturer-listed BMW applications: Manufacturer-confirmed example: 1995 BMW 325iS 2.5L L6, all models. Also used by specific other BMW applications; confirm exact vehicle and engine using the manufacturer selector. 
Manufacturer part number: 33-2070.
Manufacturer specifications and fitment
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov