Color of exterior perforated paper may vary but the inner filter media is the same. Straight, unhinged design creates a larger surface area for more filtration and less leaks. Dimensions: Height: 5.04 In. / 128 mm Width: 1.61 In. / 41 mm Apertures: .51 In. / 13 mm.Part #: OF-572OX35 MAHLE OX35 Oil Filter (Straight) for ALL BMW R Airhead WITHOUT Oil Cooler. Replacement of the infamous $2,000 "white" O-Ring is highly recommended. OF-Oring098. If oil pressure is lost between the cover and the canister lip, catastrophic engine failure can occur.