K&N Air Filters

(2006 BMW Z4 | Change Vehicle)

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Style: Flat-Panel Filter

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Features

  • K&N air filters are designed for your specific year, make and model
  • The virtually unrestricted air flow increases horsepower and acceleration while filtering out harmful particles
  • The K&N filter improves fuel economy saving you money at the pump
  • The washable and reusable pleated and oiled cotton gauze filtration medium runs up to 50,000 miles between cleanings
  • K&N filters are 50-state legal and will not void your vehicle warranty
  • Environmentally friendly, K&N air filters are reusable and reduce the volume of disposable air filters that litter land fills
  • Your K&N Filter is backed by 10-year / 1,000,000 Mile Warranty

Description

For more than 30 years, K&N Filters have been the choice in engine filtration. The K&N filter delivers virtually unrestricted flow letting your engine run stronger, cleaner and with greater fuel efficiency.

The secret of the K&N filter is its filter medium. Four to six sheets of pleated and oiled cotton-gauze are layered between two sheets of aluminum wire mesh. This proven design stops dirt, dust and other harmful particles like no other filter, all while clean, power-enhancing air flows freely to your engine.

Just give it a simple cleaning every 50,000 miles and your K&N filter will last for the life of your vehicle. With no costly changes and services, your K&N filter will save you money. And, you'll be helping the environment by reducing the number of disposable air filters that end up in landfills.

Get increased power and acceleration, better fuel economy from a filter that lasts for 1,000,000 miles-get a K&N.

K&N Air Filters Customer Reviews

Average Customer Rating

   (8264)
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K/N FILTER REVIEW

Posted on 05/26/2008 by Warren B. - 2006 BMW Z4 (Estero,FL)

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Ease of Installation
Price/Value
Quality

"AFTER INSTALLING THE K/N FILTER IN MY CORVETTE MY GAS MILAGE HAS IMPROVED AND MY POWER TO THE REAR WHEELS HAS IMPROVED, THERE HAS BEEN NO CHANGE IN THE IDLE OR HOW MY ENGINE IS RUNNING, SMOOTH CONTRARY TO WHAT SOME HAVE SAID ABOUT THE FILTER. A WISE INVESTIMATE. WARREN BLOCK"

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About Warren B.
Vehicle
2006 BMW Z4
I use my vehicle for
EVERYTHING
 
More power and MPG is 3-4 MPG

Posted on 05/15/2008 by Mark M. - 2005 BMW Z4 (Van Nuys,CA)

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Ease of Installation
Price/Value
Quality

"Wow what a difference this drop in filter has made in my 2005 BMW Z4. The car has improved power with better all around performance. It sounds better too. So easy to install. And with all of this better MPG. M"

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About Mark M.
Vehicle
2005 BMW Z4
I use my vehicle for
Commuting
 
Nothing else will do

Posted on 12/03/2009 by Lisa H. - 2001 BMW M Series (Rockledge,FL)

Appearance
Ease of Installation
Price/Value
Quality

"I've put K&N filters in the last 5 cars I've owned. Depending on the engine, I've gotten better throttle response, deeper engine note, and between 2 and 5 mpg increase in fuel mileage. In my current car, a 2001 BMW M3, I've gained about 35 miles per tank, which for me is one extra trip to work and back before I have to refuel. When you consider their lifespan, they are almost underpriced."

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About Lisa H.
Vehicle
2001 BMW M Series
 
no milage improvement

Posted on 12/02/2009 by Himanshu P. - 2009 Honda CR-V (Mesa,AZ)

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Ease of Installation
Price/Value
Quality

"Hi,i noticed accelerator smooth and no change in millage but engine got louder so i am thinking to return product."

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About Himanshu P.
Vehicle
2009 Honda CR-V
I use my vehicle for
commuting
 
Great Air Filter

Posted on 12/01/2009 by John V. - 2004 Jeep Grand Cherokee (Phoenix,AZ)

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Ease of Installation
Price/Value
Quality

"I am newbie and like the K&N reusable air filter. It is very easy to install and quality construction. I notice smoother acceleration. I have no dislike so far."

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About John V.
Vehicle
2004 Jeep Grand Cherokee
 
Air Volume Increase

Posted on 12/01/2009 by Robert W. (Brunswick,GA)

Appearance
Ease of Installation
Price/Value
Quality

"My Experience with K&N air filters has been very gratifying. Not only did it protect my motor from foreign matter, but it increased the efficency of the air intake resulting in more power and fuel economy. Ordering it through A1A was easy, cost effective and delivery prompt."

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About Robert W.
 
Great Air Filter

Posted on 12/01/2009 by Fran P. - 2009 Hyundai Sonata (Knoxville,TN)

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Ease of Installation
Price/Value
Quality

"This air filter is worth the investment I have already seen an increase in total miles traveled on a full tank."

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About Fran P.
Vehicle
2009 Hyundai Sonata
 
Used for all my cars

Posted on 12/01/2009 by Tanong H. - 2010 Toyota Highlander (Woodside,NY)

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Ease of Installation
Price/Value
Quality

"I have used this filter for all the cars I have ever owned. It will give you better airflow without going the route of a cold air intake/short ram"

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About Tanong H.
Vehicle
2010 Toyota Highlander
 
2008 Nissan Altima

Posted on 12/01/2009 by Mike B. - 2008 Nissan Altima (Olathe,KS)

Appearance
Ease of Installation
Price/Value
Quality

"For the past few years i have been installing K & N air filters in all my new vehicles as soon as the original one needs changed. You can feel the increase in horsepower and the gas mileage goes up right of way."

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About Mike B.
Vehicle
2008 Nissan Altima
I use my vehicle for
commuting and travel
 
K&N filter review

Posted on 12/01/2009 by Cezary C. - 2006 Porsche Cayman (Mount Kisco,NY)

Appearance
Ease of Installation
Price/Value
Quality

"Filter looks good,solid construction, it was pretty easy to install (15 minutes. It is my first K&N filter, I am looking forward to see it perform."

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About Cezary C.
Vehicle
2006 Porsche Cayman
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