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The K&N 57-1000 Performance Air Intake System delivers more power to 1992-1999 BMW 3 Series models including 323is 325i 325is 328i 328is and M3. This kit features a roto-molded HDPE intake tube that increases airflow volume for guaranteed horsepower and torque gains plus a washable high-flow oiled cotton filter. A custom heat shield keeps intake air cool while the full assembly installs in under 60 minutes with basic hand tools.
Key Features
- Roto-molded HDPE Tube: Increases engine airflow volume and provides dyno-proven gains of up to 10.62 HP at 5811 RPM.
- High-Flow Oiled Cotton Filter: Oversized conical design cleans every 100000 miles under highway conditions for long-term performance.
- Custom Heat Shield: Blocks engine bay heat to deliver cooler denser intake air.
- Easy Installation: Completes in 60 minutes or less using simple hand tools replaces factory air filter and tube.
- Includes all mounting hardware and clamps for direct factory replacement.
- Replaces factory air filter and intake tube completely.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1998-1999 | BMW | 323is | Verify engine and application notes |
| 1992-1995 | BMW | 325i | Verify engine and application notes |
| 1992-1995 | BMW | 325is | Verify engine and application notes |
| 1996-1999 | BMW | 328i | Verify engine and application notes |
| 1996-1999 | BMW | 328is | Verify engine and application notes |
| 1995-1999 | BMW | M3 | Lightweight |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 57-1000 |
| Product Type | Cold Air Intakes |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N cold air intakes identified by manufacturer part number 57-1000. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
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Frequently Asked Questions
How do I confirm K&N 57-1000 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Does K&N 57-1000 require tuning or emissions verification?
Requirements vary by vehicle and intake configuration. Check the current K&N application and emissions notes, and complete any required calibration before full-load operation.
What should be checked after installing K&N 57-1000?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Typical install takes 60 minutes or less with basic hand tools no cutting or drilling needed
- Includes all mounting hardware and clamps for direct factory replacement
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