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33-2488
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K&N 33-2488 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   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 33-2488 Air Filter fits some BMW M3, BMW M4, BMW M5, BMW M6, and BMW M6 Gran Coupe 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 ShapeTrapezoidal
Filter MaterialCotton Gauze
FlangesNone
Height1.188 in (30 mm)
Package Contents2 Air Filters
Package Quantity2
WashableYes
Product StyleUnique Air Filters
Width8.375 in (213 mm)
Length9.313 in (237 mm)
Weight2.2 lb (1 kg)
Product Box Height15.31 in (389 mm)
Product Box Length11.13 in (283 mm)
Product Box Width3.56 in (91 mm)
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 33-2488 Air Filter Product Reviews

Tuesday, September 4, 2018 - Part 33-2488
I have used K&N products since I met Kenny and Norm at a motorcycle race back in 1975. I love your product and I chuckle at all the knock offs that have sprung up. I've been a gear head my whole life and will continue use your products.

Dennis VonRotz
Arvada, Colorado
Wednesday, April 4, 2018 - Part 33-2488
I'm using K&N filters for years and I'm always very pleased with the performance and quality of the products. The car is more alive and it feels more responsive on throttle.

Daniel Georgiev
Sofia, Bulgaria
Tuesday, February 6, 2018 - Part 33-2488
Excellent shipping times...arrived as promised and also great communication from company.

Philip Ho
Sunnyvale, California