K&N Engineering
K&N Replacement Air Filter BMW F/I CARS 1978-91 - 33-2005
- SKU:
- KNN33-2005
- UPC:
- 024844001665
- MPN:
- 33-2005
- Availability:
- Regularly stocked product
Description
What is the installation process for K&N Drop-In Air Filters?
K&N Drop-in Air Filters are designed for a simple, direct replacement installation within your vehicle's factory airbox, requiring no modifications.
How often should I replace my K&N Drop-in Air Filter?
K&N Drop-in Air Filters are washable and reusable, designed to last for the lifespan of your vehicle with proper maintenance.
K&N Drop-in Air Filters deliver superior engine performance for vehicles seeking enhanced power, boasting a top score of 9 for engine performance. Featuring a state-of-the-art design of layered, oiled cotton media, these high-flow filters are engineered to maximize airflow and capture contaminants. Trust K&N for a washable, reusable filtration solution that elevates your driving experience.
Key Features
- washable reusable High-Flow Air Filters
- state-of-the-art design of layered, oiled cotton media
- engineered to improve airflow and capture contaminants
- designed to provide an increase in horsepower
- reusable, engineered to last for the entire lifespan of your vehicle
- backed by K&N's 10-Year/Million Mile Limited Warranty
Why Choose the KN Drop in Air Filters
Delivers sustained peak performance with a washable, reusable filter that saves you money.
Achieves superior engine protection by capturing even microscopic contaminants with advanced media.
Provides a noticeable surge in horsepower and throttle response for exhilarating drives.
Transforms your engine's breathing for optimal efficiency and a more dynamic driving feel.
Who Is This For?
Street Performance — 8/10
Engineered to improve airflow and increase horsepower.
Track / Autocross — 8/10
Designed for improved airflow and potential horsepower increase.
Racing Competition — 8/10
High-flow design engineered for increased horsepower.
Engine Performance — 9/10
Washable, reusable, high-flow, improves airflow, increases horsepower.
Easy DIY Install — 9/10
Drop-in install type, designed for vehicle lifespan.
Fuel Efficiency — 6/10
Improved airflow may contribute to better fuel efficiency.
Frequently Asked Questions
What vehicles do K&N drop-in air filters fit?
K&N drop-in air filters are designed for a wide range of classic vehicles. This specific filter fits 1975-1992 BMW 3.0Si/318i/320i and 15 other models, including the Yugo Cabrio. Enjoy a precise fit for your compatible vehicle.
How difficult is it to install a K&N drop-in air filter?
Installation of a K&N drop-in air filter is an easy DIY process. Its drop-in install type means it replaces your stock filter directly without modifications. This straightforward installation ensures a quick upgrade for your vehicle's engine performance.
What performance improvements can I expect from a K&N drop-in air filter?
A K&N drop-in air filter is engineered to deliver an increase in horsepower. Scoring a 9 for Engine Performance in our usage matrix, its high-flow design significantly improves airflow. Experience a noticeable surge in power and throttle response.
How do I maintain my K&N drop-in air filter?
Maintaining your K&N drop-in air filter is simple and cost-effective. The washable, reusable high-flow air filter media is engineered to last for the entire lifespan of your vehicle, requiring periodic cleaning. This reduces waste and saves you money over time.
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Air Filters - Drop In — Air Filters
Additional Information
Clearance Item: |
N |
MPN: |
33-2005 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Air Filters>Air Filters - Drop In |
Install Type: |
Drop-In |
Product Level: |
Premium Performance |
Street Performance: |
8/10 |
Track / Autocross: |
8/10 |
Racing Competition: |
8/10 |
Engine Performance: |
9/10 |
Easy DIY Install: |
9/10 |
Fuel Efficiency: |
6/10 |
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