BMW New Aluminum Cold Air Inlet System Kit - Suitable for 12-16 F30 228i320i328i420i428i 2.0T
Working Process
Outside air → Air filter → Intake pipe →
Air sensor → Throttle body → Intake manifold →
Intake valve → Engine cylinder
Core Functions
Filter dust and impurities
Control intake air volume
Distribute air evenly to each cylinder
Reduce intake noise & stabilize air pressure









