aFe Power 54-10661 Magnum FORCE Stage-1 Intake for 2003-2005 BMW Z4 3.0L

Vehicle Fitment

• 2003-2005 BMW Z4 (E85, 3.0L L6 M54)

Features

• Magnum FORCE Stage-1 Cold Air Intake System with high-flow design
• Large Pro 5R oiled air filter with 5 layers of progressive media
• Designed to outflow factory intake by up to 76 % for better performance
• Durable one-piece powder-coated heat shield to reduce intake air heat
• Unique 3-angle filter adapter for smoother airflow into intake tract
• Massive washable/reusable conical filter media for long service life
• High-impact rotomolded plastic intake tube (if included by retailer)
• Direct bolt-on design using factory mounting locations - no cutting

Specifications

• Part Number: 54-10661
• Intake Type: Magnum FORCE Stage-1 Cold Air Intake
• Compatible Vehicles: 2003-2005 BMW Z4 (E85)
• Engine: L6 3.0 L M54 gasoline
• Air Filter: Pro 5R oiled, 5-layer cotton gauze
• Estimated Power Gains: Up to ~11 HP & ~14 lb-ft torque
• Heat Shield: Powder-coated steel
• Emissions: Some applications 50-state exempt under CARB EO #D-550-38 (check local regulations)

Included Components

• 1x Magnum FORCE Stage-1 intake assembly
• 1x Pro 5R oiled conical air filter (5-layer progressive media)
• 1x Powder-coated one-piece heat shield
• Clamp(s) and associated mounting hardware
• Installation instructions

Product Description

The aFe Power Magnum FORCE Stage-1 Cold Air Intake System 54-10661 is a high-quality performance upgrade designed for 2003-2005 BMW Z4 models equipped with the 3.0 L L6 M54 engine. This intake system replaces the restrictive factory intake with a freer-flowing design that helps improve engine breathing and throttle response. Featuring a large Pro 5R oiled air filter with five layers of progressive media, the system delivers increased airflow while maintaining excellent filtration and durability. Designed to outflow the stock intake by up to 76 %, you can gain up to an estimated ~11 HP and ~14 lb-ft of torque depending on conditions.

Built around a one-piece powder-coated heat shield and engineered for direct bolt-on installation using factory mounting points, this intake system offers an easy installation with no cutting or fabrication required. The unique 3-angle filter adapter smooths airflow into the engine, maximizing performance while helping reduce intake air heat. Ideal for BMW Z4 owners looking to enhance engine performance and throttle response with a reliable, washable/reusable air intake upgrade. Some applications may be 50-state exempt under CARB EO #D-550-38 - check your local state regulations for eligibility.