BMW E9X M3 Carbon Inlet Plenum Finish:Gloss is designed to optimize engine

is designed to optimize engine cooling by directing hot air out of the engine bay

which relieves any stresses from the engine movements

and even more visually striking

Each headlamp duct system consists of:

BMW E9X M3 Carbon Inlet Plenum Finish:Gloss is designed to optimize engine*Some images shown with the optional Carbon Intake and Airbox Lid. M and V8 badges not included. Introducing our E9X M3 Carbon Fiber Plenum. Made from 100% high grade prepreg carbon including the internal trumpets, this plenum replaces the stock plastic version and unleashes the roar of the naturally aspirated BMW V8 engine. Since the trumpet lengths are tuned by BMW to the internal volume, changing this could result in a loss of performance so we