ITEM NAME:Swirl Flap Replacement Removal Fix Blanks Delete Plug for Bmw N57 N57S 2.5 T1V4 Swirl Flap Replacement Removal Fix Blanks Delete Plug for Bmw N57 N57S 2.5 T1V4 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.1 swirl baffle.