K&N Cold Air Intake Kit for 1999-2005 BMW 3 Series - Increases Horsepower up to 10HP

The K&N Cold Air Intake Kit is engineered to enhance the performance of your 1999-2005 BMW 3 Series, including models 325Ci, 325i, 323Ci, 328Ci, and 328. This premium intake system is designed to replace the restrictive factory air box, providing a guaranteed increase in horsepower of up to 10HP. With a high-flow intake tube and a custom heat shield, it ensures optimal airflow and improved engine sound. Installation is straightforward, taking less than an hour with basic tools, and it comes with a 10-Year/Million Mile Limited Warranty for peace of mind. • Guaranteed increase in horsepower up to 10HP • Dyno-tested for improved airflow and performance • Easy installation in under an hour with basic tools • High-flow washable cotton air filter for longevity • Enhanced engine sound for a sportier driving experience