E46 (2001-2006)

Unlock your engine's hidden power potential by replacing your restrictive stock intake with Injen's advanced SP Series Cold Air Intake. More than just a cold air conduit, the SP Series Cold Air Intake is a high-tech, fine-tuned oxygen delivery system. The aerospace-grade T-6061 aluminum tubing is CNC mandrel bent, and the TIG welded brackets are perfectly positioned for a balanced fit inside your exact year, make and model. Plus, everything from the composite flanges to the urethane air filter is meticulously tested and tuned on Injen's in-house Dynojet. Injen SP Series Cold Air Intake includes unique rubber vibra-mounts, stainless steel clamps and silicone hoses for a secure, shift-free installation. Best of all, Injen backs your SP Series Cold Air Intake with a Limited Lifetime Warranty. Learn More