Carbon Fiber S58 Engine Bay Air Vent Covers - G80 M3 | G82 / G83 M4 | G87 M2Add a clean carbon fiber accent to your S58 engine bay with these Carbon Fiber Engine Bay Air Vent Covers. Designed for G8X M3 and M4 models, these covers help dress up the factory engine bay without making the setup look overly busy. Constructed from carbon fiber with a gloss finish, they provide a sharp OEM plus look that pairs well with other engine bay upgrades such as carbon engine covers, intake systems, strut braces, and cooling components.