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K&N Air Filters Part #33-2142 Customer Reviews
20 Customer Reviews
Reviewed by Antonio D (San Diego, CA) — Jul 06, 2011 1:48 AM
Reviewed by Neal M (Altamonte Springs, FL) Reviewed for a 1998 BMW 5-Series — Jan 30, 2009 6:10 PM
I installed a panel-type K&N in my BMW 540i. Installation was straightforward- the filter fit perfectly. I did not notice a significant increase in performance (since the BMW has a decent intake design), but the filter quality and longetivity will be a benefit.
Reviewed by Lewis K (Indianapolis, IN) — Sep 15, 2008 4:55 AM
Had heard of K & N for high performance motors. Decided to try on 97 BMW 540 and 2000 Mercedes S430. Both have 60K to 70 K Performance - speed of acceleration especially at low end RPMs is stronger. Have not tried high speed or RPMs as don't drive that way. BMW is quicker, but lighter car with nearly same motor size as heavier Mercedes. Best suprise is improved gas milage. Just under 3 miles/gallon on high way. With high gas prices - esp premium nice bonus. Will buy again, but sooner in cars life. lrk
Reviewed by Julie H (Baton Rouge, LA) Reviewed for a 2002 BMW M Series — May 28, 2008 5:38 AM