High-Flow Original Lifetime Engine Air Filter - BMW 325I/ 325CI/ X3/ 330CI
SKU
33-2231
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!
- 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)
- REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
- 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
| Air Filter Shape | Panel |
| Air Filter Material | Cotton Gauze |
| Washable | Yes |
| Height | 1.063 in (27 mm) |
| Outside Length | 9.375 in (238 mm) |
| Outside Width | 6.875 in (175 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | No-Hassle Lifetime Limited |
| Product Style | Panel Air Filter |
| Weight | 0.8 lb (0.3 kg) |
| Filter Re-Oiling Amount | 1 oz (30 ml) |
| Product Box Height | 9.69 in (246 mm) |
| Product Box Length | 7.72 in (196 mm) |
| Product Box Width | 1.75 in (44 mm) |
| Filter Line | High-Flow |
| Overall Filter Efficiency | Up To 99% Efficiency |
| AC Delco A1414C |
| BMC FB13201 |
| BMW 13721730946 |
| BMW 13721744869 |
| Bosch 1457433004 |
| Carquest 88320 |
| Carquest BA5105 |
| Carquest DW88320 |
| Champ Labs. AF7885 |
| Ecogard XA5105 |
| Fram CA5399 |
| Fram CA9007 |
| Luber-Finer AF7885 |
| Mann-Hummel C25114 |
| Mann-Hummel C25821 |
| MicroGard MGA46320 |
| Mobil AF7885 |
| Napa 6320 |
| Pipercross PP1221DRY |
| Premium Guard PA5105 |
| Purepro A5105 |
| Purolator A35442 |
| Purolator A45105 |
| Repco RAF259 |
| Ryco A1413 |
| Service Champ AF5105 |
| STP SA5350 |
| Valvoline VFAP7865 |
| Warner WAF7885 |
| Wesfil WA1006 |
| WIX 42168 |
| WIX 46320 |
UP TO99%
Efficiency
LIFETIME
Usage Mileage
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