aFe Power 54-10469 Air Intake System Upgrade Kit Features: High Performance Rotomolded Plastic Durable Urethane Couplers Great With Software Upgrades With 51/54-10461 128 Percent cfm Flow Gain With 51/54-10461 10 HP Gain With 51/54-10461 5 lbs./ft. Torque Gain Height: 9.00 Width: 11.00 Length: 9.00 Weight: 2.00 lbs Fitment: 2006/BMW/M3/Base Coupe 2-Door/3.2L 3246CC l6 GAS DOHC Naturally Aspirated::Not Legal For Sale Or Use In California^^2006/BMW/M3/Base Convertible 2-Door/3.2L 3246CC l6 GAS DOHC Naturally Aspirated::Not Legal For Sale Or Use In California^^2005/BMW/M3/Base Coupe 2-Door/3.2L 3246CC l6 GAS DOHC Naturally Aspirated::Not Legal For Sale Or Use In California^^2005/BMW/M3/Base Convertible 2-Door/3.2L 3246CC l6 GAS DOHC Naturally Aspirated::Not Legal For Sale Or Use In California^^2004/BMW/M3/Base Coupe 2-Door/3.2L 3246CC l6 GAS DOHC Na...