Experience a noticeable boost in your BMW 3 Series performance with the K&N 99-05 BMW 3 Series intake kit. Crafted by the trusted experts at K&N, this performance intake kit features a high-density polyethylene (HDPE) rotationally molded tube that increases airflow to your engine—delivering improved horsepower and torque with every drive.

Key Benefits

• Enhanced engine performance with improved airflow
• Guaranteed increases in horsepower and torque
• Washable, reusable High-Flow Air Filter with premium oiled cotton media, offering up to 100,000 miles between services
• Custom heat shield that protects intake air from high engine bay temperatures
• Quick installation—most users complete the process in under 60 minutes

The design focuses on reliability and ease of installation, ensuring you spend less time in the garage and more time on the road. Installation is straightforward, while the integrated heat shield keeps your intake air cool. (Some intakes may not be legal for use on emissions-controlled vehicles in California—please review specific CARB regulations for your vehicle.)

Compatible Models

• 2000 BMW 323Ci – Base model
• 1999-2000 BMW 323i – Base model
• 2001-2005 BMW 325Ci – Base model
• 2001-2005 BMW 325i – Base model
• 2002-2005 BMW 325xi – Base model
• 2000 BMW 328Ci – Base model
• 1999-2000 BMW 328i – Base model

For more high-performance upgrades, visit our K&N Engineering collection.