Cold Air Intake for BMW E46 323 325 328 330 (1998-2005) I6 Engine Black

Transform the M54 & M52TU Intake Path for the BMW E46 3-Series

Who It’s For: Designed specifically for BMW 3-Series (E46) owners running the legendary M54 or M52TU straight-six engine. Whether you’re rowing gears in a manual 330i or cruising in a 325i automatic, this is for the driver who wants to hear the engine breathe.

The Problem: The factory BMW airbox was engineered for silence, not velocity. On the M54 engine family, the stock plastic housing and corrugated intake boots create significant air turbulence. This restriction muffles that iconic BMW inline-six growl and slows down throttle tip-in, leaving performance on the table.

The Solution: We engineered this black stealth intake to streamline the induction tract. By replacing the baffled stock box with high-flow T304 aluminum piping and a low-restriction filter, we correct the factory airflow bottlenecks, delivering a sharper throttle response and a much more aggressive acoustic profile under load.

Why This is the Ultimate Upgrade

• Optimized Airflow: The smooth-bore T304 aluminum piping reduces turbulence compared to the ribbed factory plastic, allowing the engine to pull air more efficiently during high-RPM pulls.
• Stealth Aesthetics & Durability: The black powder-coated finish provides a clean, factory-plus look in the engine bay while resisting heat soak better than thinner, un-coated alternatives.
• No-Hassle Maintenance: Features a washable high-flow cone filter that only requires servicing every 50,000 miles, eliminating the need for restrictive paper throw-away filters.

Technical Specifications

Compatibility & OEM Reference

Fits the Following Vehicles:

• 1998-2000 BMW 323i / 323Ci (E46)
• 1998-2000 BMW 328i / 328Ci (E46)
• 2001-2005 BMW 325i / 325Ci / 325xi (E46)
• 2001-2005 BMW 330i / 330Ci / 330xi (E46)
• Fits both Automatic and Manual Transmissions

Interchange Part Numbers:

BMW-E46-I6-INTAKE, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 323i, 325i, 328i, 330i, M52TU, M54B25, M54B30

The Performance Promise

Buy with confidence. This kit is designed to bolt directly into the factory mounting locations in under 60 minutes with basic hand tools. It is engineered to improve efficiency without triggering Check Engine Lights or voiding your vehicle’s warranty. Backed by real automotive experts who know the E46 chassis inside and out.