Eventuri E46 M3 Hybrid Carbon Airbox SystemEventuri E46 M3 Hybrid Carbon Airbox System Part # EVE E46ABX CF INT The Eventuri Hybrid Carbon Airbox System for the BMW E46 M3 delivers the unmistakable CSL induction character while retaining full MAF functionality and OEM level drivability. Developed through extensive CFD analysis and real world testing, this system provides a seamless plug and play solution without the need for an Alpha N conversion or ECU recalibration. At the core of the system