GruppeM Carbon Fiber Ram Air Intake System BMW 318i E46 1.9 99-01 | FRI-0107
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 10HP: Compatible with 2.5L, L6, 1999-2005 BMW 3 Series (325Ci, 325i, 323 Ci, 328Ci, 328),57-1002 : Automotive