Lower Intake Air Temperatures: These Dynamic Air Scoops lower air intake temperatures by forcing more cool air from behind the front grilles into the factory intake tracts. Durable LLDPE Construction: They are constructed from high-quality linear low-density polyethylene (LLDPE) that is impact resistant, extremely durable, and 100% recyclable. Their neon green color adds a colorful accent visible behind the vehicle's kidney grilles. Hassle-Free Installation: These air scoops are installed through the front kidney grille openings with included plastic push-in rivets. No modifications are required for installation with factory and aFe POWER intake systems. Magnum FORCE Dynamic Air Scoop Yellow BMW M3 15-18 (F80)/M4 15-20 (F82/83) S55 BMW M3 15-18 (F80)/M4 15-20 (F82/83) S55