B46 B48 Cold Air Intake For BMW 220i, 230i, 320i, 330i, 420i, 430iMore Air = More Power + Dramatic Sound Improvement! Designed from the ground up to be the best in every aspect with over a year invested in street and track testing. This is the first intake for the B46 B48 G chassis 2, 3, and 4 Series that follows a clean OEM+ look and materials but has the intoxicating sound and performance of an open intake. Inside, you'll find our proprietary renewable inverted cone performance filter; outside, you'll find