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K&N 33-2963 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   7 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 33-2963 Air Filter fits some BMW 520i, BMW 528i, BMW 528i xDrive, BMW X1, BMW X1 20i, BMW X1 28i, BMW X1 xDrive28i, BMW Z4, BMW Z4 sDrive 18i, BMW Z4 sDrive 20i, and BMW Z4 sDrive 28i 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 Amount1.37 oz (41 ml)
Height0.875 in (22 mm)
Outside Length10.625 in (270 mm)
Outside Width10 in (254 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height11.56 in (294 mm)
Product Box Length10.44 in (265 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Weight2.3 lb (1.1 kg)

K&N 33-2963 Air Filter Product Reviews

Wednesday, March 22, 2017 - Part 33-2963
A+ quality. Awesome sound, so now I can hear more induction noise and better performances. Very happy

Salvatore Simonetti
Leamington Spa, United Kingdom
Tuesday, December 20, 2016 - Part 33-2963
The fit is just perfect and installation was so easy.

Victor Corpuz
Camarillo, California
Monday, October 10, 2016 - Part 33-2963
I run K&N filters in all my vehicles for better performance and fuel economy successfully and was pleased to find one for my BMW X1.

John Outerbridge
Pleasantville, Canada
Friday, April 8, 2016 - Part 33-2963
I use K&N products in all my cars and truck. Excellent quality & reliability and provides great performance.

Bruce Nelson
Coto de Caza, California
Monday, September 8, 2014 - Part 33-2963
Fantastic. I'm excited about having my dealer install it.

Hoss Tabrizi
Aliso Viejo, California
Thursday, February 27, 2014 - Part 33-2963
A K&N Filter is the first purchase I make after getting a new car. Just installed this in my 2013 X-1 2.8 S-Drive and love it! Performance and mileage are both improved and the car is much more responsive.I can't believe how much of a difference this makes in the vehicle.

John Wesley White
Plano, Texas
Tuesday, January 21, 2014 - Part 33-2963
Easy install. Lifetime top quality air filter. What could be better than that?

J H Read Jr