ITEM NAME:Swirl Flap Replacement Removal Fix Blanks Delete Plug for Bmw N57 N57S 2.5 K9L1 Swirl Flap Replacement Removal Fix Blanks Delete Plug for Bmw N57 N57S 2.5 K9L1 Swirl flap substitute of the suction manifold with Viton O-rings material resistant to oil derivatives,as well as high and low temperatures Swirl flap substitute made of the AW-5083 aluminum alloy is characterized by high strength and mechanical properties Professional quality of manufacturing O-ring VITON Color:silver material:metal Package Contents: 1* swirl baffle