aFe Power Magnum Force Stage-1 Cold Air Intake System Media BMW Z4 (E85) 03-05 L6-2.5L M54
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This air intake system produces 4 max horsepower, 5 lbs. x ft. torque and out-flowed the factory intake by 71%. This system includes a durable 18 gauge, powder-coated heat shield and uses a washable/reusable conical five layer air filter. This intake system incorporates a unique 3-angle filter adaptor that smooths air transition into the intake tract for better performance. One-piece heat shield requires little or no assembly and the filter is constructed with 100% polyurethane for long life and multiple cleaning cycles.
5-1/2" Conical Pro 5R Air Filter: This intake utilizes a large, 5-1/2" conical Pro 5R performance air filter for increased performance. The Pro 5R air filter uses five layers of progressively finer mesh cotton gauze media to provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall, open, evenly spaced pleats provide excellent dust holding capacity for a longer service cycle between cleanings.
Mounts In Factory Location: aFe has developed this intake to provide a hassle-free installation that utilizes all factory mounting locations.
One-Piece Filter Housing: The air filter is housed in a one-piece, air box that keeps warm engine air out for maximum performance. This one-piece air box uses factory mounting locations for a hassle-free installation.
Emissions Disclaimer:
Some or all of the applications listed are 50-state exempt, please see CARB EO# D-550-2/D-550-38 for details.
Vehicle Applications:
| Year | Make | Model | SubModel | Engine | Fuel |
| 2003-2005 | BMW | Z4 | (E85) M54 Engine | L6 2.5L | Gas |
