K&N · 33-2231
Part #: 33-2231
UPC: 024844092301
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Description: Replacement Air Filter; K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty.
Description:
Description
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Features & benefits
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
Information
Associated products: 99-5000 Filter Care Service Kit Aerosol
Application summary
| Year | Make / model |
|---|---|
| 1996-1999 | BMW 318i |
| 1999 | BMW 318ti |
| 2001-2005 | BMW 320i |
| 2000 | BMW 323Ci |
| 1999-2000 | BMW 323i |
| 2001-2006 | BMW 325Ci |
| 2001-2005 | BMW 325i |
| 2001-2005 | BMW 325xi |
| 2000 | BMW 328Ci |
| 2000 | BMW 328i |
| 2001-2006 | BMW 330Ci |
| 2001-2005 | BMW 330i |
| 2001-2005 | BMW 330xi |
| 2001-2006 | BMW M3 |
| 2004-2006 | BMW X3 |
Specifications
- GTIN
- 10024844092301
- Weight
- 0.77 lb
- Height
- 9.69 in
- Length
- 7.72 in
- Width
- 1.75 in
- EO
- Legal US
- Life cycle
- Available to Order
- Alt. part number
- 33-2231
- AAM brand code
- KAN
- Warehouse brand code
- KAN
- AAIA brand code
- BBWQ
Attributes
- AAM Standard Pack
- 6
- Air Filter Material
- Cotton Gauze
- Air Filter Shape
- Panel
- Alternate Part Number
- 33-2231
- Automotive Item Grade
- High Performance
- California Proposition 65
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Cap Outside Diameter
- N/A
- Color
- Heather Red
- Diameter Inside (in.)
- OEM
- Diameter Outside (in.)
- OEM
- Filter Material
- Cotton Gauze
- Filter Re-Oiling Amount
- 1 oz (30 ml)
- Filter Style
- Dry
- Flange Angle
- 0 Degree
- Frame Design
- Flexible
- Height
- 1.063 in (27 mm)
- Height (in.)
- 1.063 in. (27mm)
- Inside Diameter
- OEM
- Item Height
- 1.063 in. (27mm)
- Item Type
- High Performance
- Item Weight
- 0.800 lbs. (0.3 kg)
- Machine Washable
- Yes
- Oil Included
- Filter Is Pre-Oiled
- Outside Diameter
- OEM
- Outside Length
- 9.375 in. (238mm)
- Outside Width
- 6.875 in. (175mm)
- Overall Filter Efficiency
- Up To 99% Efficiency
- Overall Length
- N/A
- Overall Length (in.)
- N/A
- Package Content
- 1
- Package Contents
- 1 Air Filter
- Package Material
- Paperboard
- Package Quantity
- 1
- Package Type
- Box
- Pre-Screened
- No
- Product Box Height
- 9.690 in. (246mm)
- Product Box Length
- 7.720 in. (196mm)
- Product Box Width
- 1.750 in. (44 mm)
- Product Style
- Panel Air Filter
- Retail Packaging
- Yes
- Shape
- Panel
- Title
- K&N 33-2231 Replacement Air Filter
- Warranty
- No-Hassle Lifetime Limited
- Washable
- Yes
- Weight
- 0.8 lb (0.3 kg)
- Width
- 6.875 in.
- Width (in.)
- 6.875
Fitment status
Select a vehicle or engine to see whether this part applies to your application.
Application summary
1996-1999 BMW 318i; 1999 BMW 318ti; 2001-2005 BMW 320i; 2000 BMW 323Ci; 1999-2000 BMW 323i; 2001-2006 BMW 325Ci; 2001-2005 BMW 325i; 2001-2005 BMW 325xi; 2000 BMW 328Ci; 2000 BMW 328i; 2001-2006 BMW 330Ci; 2001-2005 BMW 330i; 2001-2005 BMW 330xi; 2001-2006 BMW M3; 2004-2006 BMW X3
Installation
K&N 33-2231
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