BMC Twin Air Universal Conical Filter w/Polyurethane Top - 80mm ID / 140mm H 1973-mercedes-benz-280sel-base-esi2671429 at a volume slightly above

at a volume slightly above stock)

The housing connects to the factory air inlets on each side of the vehicle to capture the coolest air available

extensive modifying or tweaking of the areas around the intercoolers is needed to force fitment

Here’s some helpful guidance if you’re deciding between kits: Due to the structural differences between the 330i and 430i

The pillow blocks are CNC machined 6061-T6 and come in the PFADT signature Orange anodized finish

BMC Twin Air Universal Conical Filter w/Polyurethane Top - 80mm ID / 140mm H 1973-mercedes-benz-280sel-base-esi2671429 at a volume slightly aboveBMC Twin Air Universal Conical Filter w Polyurethane Top 80mm ID 140mm H