aFe Power Magnum FORCE Stage-1 Pro 5R AIS for 2001-2006 BMW 3-Series (E46) & X3 (L6-3.0L) 54-10451

Fits 2001-2006 BMW 325Ci, 325i, 325xi, 330Ci, 330i, 330xi (E46) and 2004-2006 X3 (L6-3.0L).

The aFe Power Magnum FORCE Stage-1 cold air intake system is designed to provide maximum performance gains through a straightforward bolt-on installation that replaces your restrictive factory air box. This system features a 16-gauge, powder-coated heat shield that isolates the filter from engine bay heat, ensuring a cooler, denser air charge for improved combustion.

At the heart of this intake is the massive, 360-degree conical Pro 5R air filter. Constructed with five layers of progressively finer oiled cotton gauze media and a 100% polyurethane frame, this washable and reusable filter provides 76% more airflow than stock while maintaining excellent filtration. The system also utilizes a unique 3-angle adapter to increase air velocity and a heat-insulating rotomolded plastic tube to maintain high-speed air delivery to the engine.

• Performance Gains: Delivers an additional +6 HP and +7 lbs. x ft. of torque.
• High-Flow Media: Five-layer Pro 5R oiled cotton gauze filter for maximum CFM.
• Durable Construction: Heavy-duty 16-gauge heat shield and 100% polyurethane filter flange.
• Improved Velocity: Integrated 3-angle adapter optimizes airflow into the MAF sensor tube.
• Simple Installation: Replaces factory intake and mounts to OE points in minutes.
• Specifications: 76% CFM flow gain; 2-year limited warranty; Part Number 54-10451.