K&N Engineering
K&N 20-22 BMW M3 L6 3.0L F/I Replacement Air Filter - 33-3171
- SKU:
- KNN33-3171
- UPC:
- 024844393371
- MPN:
- 33-3171
- Availability:
- Regularly stocked product
Description
How often should I replace my K&N drop-in air filter?
K&N drop-in air filters are washable and reusable, designed for a lifespan of thousands of miles, significantly outlasting standard disposable filters.
Can I install a K&N drop-in air filter myself?
Yes, installing a K&N drop-in air filter is a straightforward DIY process, typically requiring no special tools for a quick replacement.
K&N Drop-in Air Filters are engineered for a 9/10 Engine Performance score and deliver a noticeable boost in acceleration. Featuring a state-of-the-art design of layered oiled cotton media, these high-flow filters improve airflow and capture contaminants. Trust K&N Engineering for sustained peak performance and superior engine protection.
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
Why Choose the KN Drop in Air Filters
Delivers sustained peak performance with a filter that's easily cleaned and reused.
Achieves superior engine protection by trapping more harmful contaminants.
Provides a noticeable boost in acceleration and throttle response.
Transforms your driving experience with optimized engine breathing and power.
Who Is This For?
Street Performance — 8/10
Engineered to improve airflow and increase horsepower.
Track / Autocross — 8/10
High-flow design and horsepower increase benefits performance.
Racing Competition — 8/10
Designed for increased horsepower and improved airflow.
Engine Performance — 9/10
Improves airflow and designed for horsepower increase.
Easy DIY Install — 10/10
Drop-in install type simplifies installation process.
Frequently Asked Questions
What is a K&N drop-in air filter?
A K&N drop-in air filter is a high-flow air filter engineered to improve airflow and capture contaminants. Its state-of-the-art design of layered oiled cotton media delivers sustained peak performance for street performance use cases with a usage score of 8.
How do I install a K&N drop-in air filter?
Installing a K&N drop-in air filter is a simple process, utilizing a direct drop-in installation type. This makes it an easy DIY install with a perfect score of 10 for ease of use.
Can a K&N drop-in air filter increase horsepower?
A K&N drop-in air filter is designed to provide an increase in horsepower, enhancing engine performance with a usage score of 9 for Engine Performance. This upgrade transforms your driving experience with optimized engine breathing.
How often should I clean my K&N drop-in air filter?
K&N drop-in air filters are easily cleaned and reused, delivering sustained peak performance. Their maintenance level is rated as easy, ensuring your filter continues to trap more harmful contaminants effectively.
Additional Resources
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: |
33-3171 |
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: |
10/10 |
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