
Upgrade your BMW’s performance with the Injen SP Short Ram Cold Air Intake System SP1121P. Featuring a polished 6061-T6 aluminum intake tube and engineered with Injen’s patented MegaRam (MR) and Air Fusion technologies, this short ram intake system delivers dyno-proven gains of up to 12 horsepower and 11 lb-ft of torque—all while maintaining proper air/fuel ratios without requiring additional tuning.
Designed for improved airflow and reduced restriction, this system includes a custom heat shield and a fully serviceable Injen SuperNano-Web dry air filter. The smooth intake piping enhances throttle response and delivers an aggressive engine tone under full acceleration. Manufactured in Pomona, California, this system is backed by Injen’s limited lifetime warranty.
Note: This product is not currently CARB exempt and cannot be shipped to California. CARB EO# D-476-8 excludes all SULEV vehicles.
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