aFe 54-31912 Stage-2 Pro-5R Cold Air Intake for 11-15 BMW 3.0L N55

Large 5-Layer Performance Air Filter: This sealed intake system utilizes a pre-oiled, large 5" tall conical 360 degree radial flow performance air filter with 5-layers of progressive finer mesh cotton media providing maximum airflow and performance. Roto-mold Tube: This System uses CAD designed, dyno-tuned, roto-mold intake tube to achieve maximum power gains while maintaining a perfect fit. Hassle-Free Installation: All necessary hardware are included for hassle-free installation. This is a direct bolt-on kit that requires no cutting or drilling on OEM parts.