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K&N Air Filters Part #33-2070 Customer Reviews
47 Customer Reviews
Reviewed by John S (Orange Beach, AL) Reviewed for a 1997 BMW Z3 — Aug 24, 2014 6:08 AM
I've been using K & N air filters in all of my vehicles for the past 30 years or so and wouldn't consider doing otherwise. This includes my Triumph motorcycle, Porsche 911, past 4 personal-use pickup trucks, BMW Z3 (most recent K&N air filter purchase) and daily drivers like our Kia Spectra 5. Always good quality, always enhanced performance, and no disposable air filters. 5 stars, across the board.
Reviewed by James D (Bridgeville, PA) — Jul 02, 2013 8:36 PM
I just replaced air filters in both of my vehicles, with K&N's. 88 RX7 conv. and 03 BMW 5 series wagon. Happy with performance increase due to better air flow. I was told by my mechanic to use the oil sparingly as too much can damage mass air flow sensor. That's my concern for my BMW.
Reviewed by rob d (Blaine, WA) Reviewed for a 2003 BMW Z4 — May 28, 2013 7:41 PM
Swapped out the filter. 1'st noticed the size difference and how the stock filter will restrict air flow. You can hear the air flow difference.
Reviewed by John H (Manheim, PA) Reviewed for a 2012 Aston Martin DBS — Oct 13, 2012 9:23 AM
installation , easy, when you consider long term cost at $10.00 to $15.00 for paper and replace at 10,000 miles the K&N outshines cost. I probably get 1/2 miles more per gallon city/highway. Performance with stock 3.0 motor( BMW 530 )seems a little better at low end.
Reviewed by Thomas M (Washingtonville, NY) Reviewed for a 2000 BMW Z3 — Mar 13, 2012 6:20 AM
the filter fit with no problem right out from the box. i was initially concerened when after removing the old paper filter i found it to be atleast 2x larger than the K&N. a little more research revealed the smaller footprint with a oiled surface did a better job at filtration and allowed more air into the motor
Reviewed by Ole T (Palmdale, CA) — Oct 30, 2011 8:49 AM
My only comment is that the filter did not fit as good in the top of the housing as the OEM filter it replaced. That said a little bit of tweaking made it fit ok and was possible to close the lid correctly. I have been driving with the filter for about one month+, and the car runs great. It might or might not have a few more horses, can't tell.
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