SEARCH BY VEHICLE
33-2070
$47.99 USD
MSRP $74.29 35.4% Off
Free Ground Shipping!
In Stock & Ready to Ship!
Find a Dealer

K&N 33-2070 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   13 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 33-2070 Air Filter fits some BMW 320i, BMW 323Ci, BMW 323i, BMW 323iS, BMW 323Ti, BMW 325Ci, BMW 325i, BMW 325iS, BMW 328Ci, BMW 328i, BMW 328ic, BMW 328iS, BMW 520i, BMW 523i, BMW 525i, BMW 528i, BMW 530i, BMW 728i, BMW 728iL, BMW M Coupe, BMW M3, BMW X3, BMW Z3, and BMW Z4 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 oz (30 ml)
Height1 in (25 mm)
Inner WireNo
Outside Length9.25 in (235 mm)
Outside Width6.875 in (175 mm)
Package Contents1 Air Filter
Package Quantity1
Product Box Height9.69 in (246 mm)
Product Box Length7.72 in (196 mm)
Product Box Width1.75 in (44 mm)
Product StylePanel Air Filter
Top StyleOpen
Weight0.8 lb (0.3 kg)

K&N 33-2070 Air Filter Product Reviews

Tuesday, November 8, 2016 - Part 33-2070
It went in fast and my Beemer thanked me for opening up it's air passageways so it can breathe in our dusty, dirty, haboob laced, air here in the valley of the sun.

Michael Anderson
Chandler, Arizona
Tuesday, September 27, 2016 - Part 33-2070
Best product I ever bought. Thank you!

Mervyn Bailey
Ozone Park, New York
Saturday, September 17, 2016 - Part 33-2070
Awesome!

Paul Hunter
Fort Worth, Texas
Monday, March 28, 2016 - Part 33-2070
I can tell the car runs better. Is a part that I'll recommend. .

Jose Morales
Florida
Tuesday, January 12, 2016 - Part 33-2070
My wife has a 2002 BMW z3 and since easily fitting new K&N air filter 33-2070, the car is excellarating faster and smoother, rumble from engine sounds better. It's a 2.2 strait 6, so I bought one for my S type Jag, same results. I highly recommend this product and delivery, Allan.

Allan Delargy
Girvan, Scotland
Saturday, January 2, 2016 - Part 33-2070
Worth to have. Grate Product. More Acceleration, fuel consumption reduced.

Weasley
China
Tuesday, July 28, 2015 - Part 33-2070
What a difference this filter made. I would definitely buy a K&N product again.

Diane
Strongsville, Ohio