Mishimoto Air Intake for BMW E46 323i/325i/328i High-Flow Oiled Filter

Mishimoto Air Intake for BMW E46 323i/325i/328i — High-Flow Oiled Filter Optimize breathing, preserve reliability. The Mishimoto air intake is engineered for 1999–2005 BMW E46 323i/325i/328i models to deliver improved flow, confident sound, and long-term value without requiring ECU tuning. This bolt-on system pairs a high-flow oiled air filter with a sealed steel heatshield and uses the stock intake duct to draw cool outside air. The result is improved induction efficiency, an aggressive under-load tone, and stable air/fuel ratios under normal operation. Vehicle fitment: BMW E46 323i / 325i / 328i (1999–2005) Filter type: Reusable oiled high-flow filter — increased filtration surface vs stock paper element Heat protection: Steel heatshield with pre-assembled rubber trim to isolate hot engine bay air Installation: Complete bolt-on kit, installs in ~1 hour with common hand tools Tuning: Safe with the stock ECU tune; also compatible with Mishimoto silicone intake hoses Warranty: Mishimoto Lifetime Warranty Benefits: Better airflow and throttle response, washable/reusable filter for lower lifecycle cost, sporty induction sound, and engineered cooling via the OEM ducting. Upgrade your E46 intake system with a purpose-built solution that balances performance, durability, and OEM-friendly operation.