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33-2942
$61.99 USD
MSRP $95.89 35.4% Off
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K&N 33-2942 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   11 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 33-2942 Air Filter fits some BMW 116d, BMW 118d, BMW 120d, BMW 123d, BMW 316D, BMW 318d, BMW 320D, BMW 325d, BMW 330D, BMW 335d, BMW X1 16d, BMW X1 18d, BMW X1 20d, BMW X1 23d, and BMW X1 25d 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
FlangesNone
Height1.5 in (38 mm)
Package Contents1 Air Filter
Package Quantity1
WashableYes
Product StyleUnique Air Filters
Width9.125 in (232 mm)
Length11.5 in (292 mm)
Weight1.5 lb (0.7 kg)
Filter Re-Oiling Amount2.05 oz (61 ml)
Product Box Height14 in (356 mm)
Product Box Length12.25 in (311 mm)
Product Box Width1.75 in (44 mm)
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 33-2942 Air Filter Product Reviews

Friday, May 25, 2018 - Part 33-2942
Great product works really well, easy to fit. This the second vehicle I have fitted K&N filters to and would use them again.

Bill lincoln
Wiltshire, United Kingdom
Tuesday, May 1, 2018 - Part 33-2942
This is a really great product and K&N provided excellent service. My car is a smoother to drive, slightly more economical and revs more freely. Highly recommended if you have a E90 320D.

Stuart Harling
Bournemouth, United Kingdom
Thursday, April 12, 2018 - Part 33-2942
It was a great experience buying this air filter online for my E91 320D. Good customer service and it arrived quickly. It was easy to install, it took about a minute to have the old one out and the K&N filter in place. I noticed a difference with the car as soon as I got it out on the road. Realistically it's not a night and day difference, it just feels like the car breathes more easily and revs more freely. It definitely feels more responsive and the hesitation my car had on throttle application is gone too. I highly recommend you get one of these filters for your car.

Stuart
Dorset, United Kingdom