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33-2458
$60.99 USD
MSRP $94.39 35.4% Off
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K&N 33-2458 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.6 out of 5 stars   8 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 33-2458 Air Filter fits some BMW 135i, BMW 135is, BMW 335i, BMW 335i Coupe, BMW 335i xDrive, BMW 335i xDrive Coupe, BMW X1, BMW X1 35i, and BMW X1 xDrive35i 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 in (25 mm)
Outside Length11.125 in (283 mm)
Outside Width10.5 in (267 mm)
Package Contents1 Air Filter
Package Quantity1
Warranty1,000,000 Miles/10 Year
Product StylePanel Air Filter
Weight1.1 lb (0.5 kg)
Filter Re-Oiling Amount1.81 oz (54 ml)
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 33-2458 Air Filter Product Reviews

Tuesday, May 29, 2018 - Part 33-2458
Product received with a small oil stain on one corner of carton. Leak of inner plastic wrap. Installation into 2011 BMW 135i was less than 5 minutes. No issues to date.

Brian Micheli
Lindenhurst, Illinois
Friday, September 9, 2016 - Part 33-2458
Product is great and easy to install.

Ray Kushner
Venice, California
Friday, May 20, 2016 - Part 33-2458
Installed in 135i with no mods. Haven't noticed increased acceleration, but i think I'm getting slightly better mileage.

Damian
Florida