$68.99 USD
MSRP $106.49 35.2% Off
Free Ground Shipping!
In Stock & Ready to Ship!
Find a Dealer

K&N 33-2294 Air Filter

Replacement Filters > Replacement Air Filter
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   5 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 33-2294 Air Filter fits some BMW 520i, BMW 540i, BMW 545i, BMW 550i, BMW 645Ci, and BMW 650i 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
Filter Re-Oiling Amount2.02 oz (60 ml)
Height1.125 in (29 mm)
Outside Length12.188 in (310 mm)
Outside Width10.688 in (271 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height15.06 in (383 mm)
Product Box Length11.06 in (281 mm)
Product Box Width2.34 in (60 mm)
Product StyleUnique Air Filters
Weight1.3 lb (0.6 kg)

K&N 33-2294 Air Filter Product Reviews

Monday, April 4, 2016 - Part 33-2294
The overall experience of purchasing and receiving my K&N air filter was truly quite simple. I have always used K&N air filters in all of the vehicles that I have owned and I will continue to do so based on price, quality, reliability and dependability.

Rendlesham, United Kingdom
Sunday, September 13, 2015 - Part 33-2294
Excellent quick service,part fits perfectly, strongly recommend KN

Mike Oakley
Bucks, United Kingdom
Monday, June 1, 2015 - Part 33-2294
Was easy to install. Fuel mileage did not seem to change but the car feels more responsive.

Thousand Oaks, California
Tuesday, May 6, 2014 - Part 33-2294
Fit perfect. Delivery was fast!

Saturday, October 26, 2013 - Part 33-2294
I am a long time user of K & N filters and find them to be superior to other filters on the market. Better engine protection and better engine response is what they deliver.

James Kehoe
Houston Texas