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K&N 33-2332 5.0 out of 5 stars 5 Customer Reviews
Replacement Filters > Replacement Air Filter

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33-2332
 
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K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.

[More Information on Replacement Air Filters]
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High air flow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®


Product Specifications 
Air Filter Shape:Panel
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:1.6 oz (47 ml)
Flanges:None
Height:1.188 in (30 mm)
Outside Length:10.5 in (267 mm)
Outside Width:10.5 in (267 mm)
Package Contents:1 Air Filter
Package Quantity:1
Part Number:33-2332
Product Box Height:11.56 in (294 mm)
Product Box Length:10.44 in (265 mm)
Product Box Width:1.75 in (44 mm)
Product Style:Unique Air Filters
Weight:0.92 lb (0.42 kg)


Product Reviews      Review part 33-2332

 The air filter was a perfect fit on my wife 2011 BMW 328i.
Ryan Wen, California
 Thank you for a good high quality product that fits just as good as the original equipment. I have installed K&N air filters on all of my vehicles and I am very satisfied with the outcome. I have proven to myself that there is decreased fuel consumption by using K&N filters.
Elias Ruiz, Desert Hot Springs California
 Just plugged the air and oil filters in yesterday. I'm driving to Portland Maine tomorrow. I'll see if I get more pep. It worked on my last car ('08 bmw 328xi sport wagon) so it should work on the new one...
Adam Vespo, Vermont
 I received my filter with a few days and it was a great fit. The only thing that wasn't so great about it has nothing to do with K&N and instead with BMW. It's a bit of labor to remove the filter box in order to replace the filter. I've always purchased K&N filters for my vehicles and have always been satisfied.
Brandon, Georgia
 I've been a K&N user for 30 years. I appreciate being able to order online direct from the company. I feel it assures me the best in customer service as well as possible (never needed it before) warranty. Why would I order from a third party (retailer) when I can go direct to the source?
This fit my BMW as it should and was as simple as always to install.

Glenn , SoCA