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
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
Amazon.com: K&N 57-2541 Performance Air Intake System with Blue Air Filter Wrap : Automotive
Amazon.com: K&N Premium Oil Filter:Designed to Protect your Engine: Compatible with Select 1995-2009 BMW/LAND ROVER/VOLVO/FORD Vehicle Models (See Product Description for Full List of Compatible Vehicles),PS-7007 : Automotive
Amazon.com: Rtunes Racing Short Ram Air Intake Kit + Filter Combo BLUE Compatible For 98-05 BMW E46 3-Series … : Automotive
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Replacement Car Air Filter: Compatible 2003-2011 BMW (630i, 523i, 525i, 528i, 528i xDrive, 530i, Z4 and other select models), 33-2292 : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 6HP: Compatible with 2.0L, L4, 2004-2011 BMW (118i, 120i, 318i, 320i, 320si), 57-0648-1 : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 9HP: Compatible with 3.2L, L6, 2001-2005 BMW (M3), 69-2001TWK : Automotive
Amazon.com: K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1998-2007 BMW/LAND ROVER (118d, 120d, 318d, 320D, 520d, X3, 318td, 320Cd, 320td, 75, Freelander), E-2653 : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 11HP: Compatible with 3.0L, L6, 2001-2005 BMW 3-Series (330Ci, 330i, 330Xi), 57-1001 : Automotive
Amazon.com: Mishimoto MMAI-E46-99BK Performance Air Intake Compatible With BMW E46 3-Series 1999-2005 Black : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 11HP: Compatible with 3.0L, L6, 2001-2005 BMW 3-Series (330Ci, 330i, 330Xi), 57-1001 : Automotive
Amazon.com: RACE GERMAN BMW E46 Carbon Fiber Cold Air Intake System M54 325i 323i 328i 330i Increase Horsepower (323i, 325i, 328i) : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 14HP: Compatible 3.0L, L6, 2011-2016 BMW 5-Series (535i, GT, 535i xDrive, 535i GT xDrive) 63-1132 :
Amazon.com: K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable, Premium, Replacement Car Air Filter: Compatible with 2013-2019 Honda/Acura L4 (Accord, Spirior, TLX), 33-2498 : Automotive
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
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible 1983-1999 BMW (316i, 318i, 320i, 325i, iX, 318iS, iC, 518i, 520i, 525i, 750i), 33-2059 : Automotive
Amazon.com: K&N Engine Air Filter: Increase Power & Towing, Washable, Premium, Replacement Air Filter: Compatible with 2020-2021 Ford F250/350, 33-5100 : Automotive
Amazon.com: AIR INTAKE KIT FIT 1998-2005 BMW E46 323/325/328/330 with I6 Engine (BLACK) : Automotive
Amazon.com: K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4.5 In, Filter Height: 6 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-3480 : Automotive
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Replacement Car Air Filter: Compatible 2011-2019 BMW (330d, GT, 335d, 430d, 435d, 640d, X6, M50d, X4, X5, other select models) 33-3028 : Automotive
Amazon.com: Mishimoto MMAI-E46-01BK Performance Air Intake Compatible With BMW E46 3-Series 2001-2006 Black : Automotive
Amazon.com: K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2012-2019 BMW L3/L6 (M2, i8, 335i, 435i, M135, M235, 435i), 33-2997 : Automotive
Amazon.com: Rtunes Racing Short Ram Air Intake Kit + Filter Combo BLACK Compatible For 97-00 BMW 528i 2.8L I6 / 01-03 BMW 525i 2.5L I6 / 01-03 BMW 530i 3.0L I6 : Automotive
Amazon.com: K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 9HP: Compatible with 2.5L, L6, 1992-1999 BMW (323Ci, 323iS, 328i, 328ic, 328iS, M3, 328Ci)57-1000 :
