Boost your BMW's horsepower effortlessly with the Injen RD Series Performance Cold Air Intake (CAI)! Injen's engineers have dedicated extensive time to design, test, and perfect this CAI. It not only delivers significant bolt - on power but also enhances the engine bay's looks. Besides the impressive power gain, Injen ensures safe air - fuel (A/F) ratios across the powerband. The mandrel - bent 6061 - T6 aluminum air intake tube is the heart of this intake. It offers a smooth path for highly efficient airflow and reaches deep into the engine bay to capture the coolest, densest air. The RD intake comes with a fully serviceable Injen SuperNano - Web dry air filter. This filter has a larger surface area, allowing more airflow and excellent filtration. The Injen RD performance intake provides a power you can both hear and feel, with an aggressive and throaty tone that stands out in the aftermarket. You can personalize your intake as Injen offers it in a polished or powder - coated black finish. To sweeten the deal, this RD CAI kit comes with Injen Technology's unbeatable limited Lifetime Warranty. This part fits various 1998 - 2001 BMW models including 323Ci, 323i, 323is, 325Ci, 325i, 325xi, 328Ci, 328i, and 328is in their base sub - models.





Using the Injen RD Series Cold Air Intake is easy. First, make sure your BMW engine is cool. Then, carefully install the intake according to the provided instructions. It's designed to fit specific 1998 - 2001 BMW models, so double - check the fit before installation. When it comes to maintenance, regularly inspect the Injen SuperNano - Web dry air filter. If it looks dirty, you can clean it following the filter cleaning guide. This will ensure the filter continues to provide good airflow and filtration. Also, check the intake tube for any signs of damage or loose connections. Remember, keep your engine running smoothly by maintaining the air - fuel ratio and enjoying the power and great sound this intake provides.