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K&N 33-2332 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.8 out of 5 stars   20 Customer Reviews
  • 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®
The K&N 33-2332 Air Filter fits some BMW 128i, BMW 130i, BMW 325i, BMW 325Xi, BMW 328i, BMW 328i xDrive, BMW 328xi, BMW 330i, and BMW 330Xi models. See vehicle applications link for details.
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 the majority of vehicles 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 K&N Replacement Air Filters]

Product Specifications

Air Filter ShapePanel
Filter MaterialCotton Gauze
Height1.188 in (30 mm)
Package Contents1 Air Filter
Package Quantity1
Product StyleUnique Air Filters
Outside Length10.5 in (267 mm)
Outside Width10.5 in (267 mm)
Weight0.9 lb (0.4 kg)
Filter Re-Oiling Amount1.6 oz (47 ml)
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)

K&N 33-2332 Air Filter Product Reviews

Thursday, January 25, 2018 - Part 33-2332

Domingo Garcia
Heartland, Texas
Wednesday, August 2, 2017 - Part 33-2332
Good choice. K&N is the best.

Jose Magano
Elizabeth, New Jersey
Monday, June 26, 2017 - Part 33-2332
Engine feels like its breathing better.

Ian Ellis
Angus, Canada
Thursday, March 23, 2017 - Part 33-2332
Works great and fast shipping.

David Munoz
Ft Lauderdale, Florida
Monday, September 5, 2016 - Part 33-2332
This is a really good part to have. It actually added some horsepower and torque, you can feel it. You can also hear the difference in exhuast. I have straight pipes on my bimmer and this just made it backfire more. Sounds so good.

Sultan Mohammad
Lincoln, Nebraska
Wednesday, June 29, 2016 - Part 33-2332
Fantastic Filter & Fantastic Service. Samantha helped me from start to finish, brilliant customer service!!!!

Wigan, United Kingdom
Saturday, April 16, 2016 - Part 33-2332
Have used these filters for many years. Great product.

Randy Bayless
Saint Petersburg, Florida