CTS Turbo cold air intake kit for the BMW N55. Proprietary hexagon-shaped aluminum MAF housing (CTS's fix for the MAF-reading errors seen with round competitor housings), 3.5" mandrel-bent black powder-coated aluminum piping, a reusable inverted-cone filter, and 4-ply silicone couplers - rated for up to 15 hp on an otherwise-stock N55.

Fitment: BMW N55 3.0L turbo models - F20/F22 M135i/M235i, F30 335i, F32/F33/F36 435i, F87 M2 (confirm exact chassis at checkout).