K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your M3's engine to inhale a larger amount of air than the factory air filter assembly.
K&N 57-1003 Performance FIPK High Flow Air Intake System for 01-05 BMW M3 3.2L
K&N 57-1563 Performance 57 Series FIPK Air Intake Kit for Durango/Grand Cherokee
K&N 57-2532 Air Intake 57 Series FIPK Performance Kit for 99-04 Mustang 3.8L
K&N 57-9016-1 Performance 57 Series FIPK Intake Kit for Tacoma/4Runner 2.7L/2.4L
K&N 57-1564 Performance 57 Series FIPK Air Intake Kit for Charger/Challenger/300
K&N 57-2533 Intake 57 Series FIPK Performance Kit for 98-01 Ranger/B3000 3.0L
