Eventuri Carbon Fibre Intake System - BMW E46 M3Eventuri Carbon Fibre Intake System BMW E46 M3 Performance increase: 10 15 hp 8 12 lb ft torque The E46 M3 Eventuri intake system uses a Patent Pending Carbon fibre Housing, which provides an aerodynamically efficient airflow path from the filter to the MAF tube. This intake is not just another cone filter with a heat shield, but a unique design which invokes the Venturi affect. The E46 M3 intake system is a result of extensive data logging, dyno