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-   -   should you upgraded the air filter????? (http://www.bimmerfest.com/forums/showthread.php?t=658307)

rawn0417 11-15-2012 05:45 AM

should you upgraded the air filter?????
 
morning,
I have a 2004 530i and i was wondering what’s the better air filter to replace the factory one with K&N or AFE??? and recommendation?? Has anyone notice any mpg improvement once doing this?

hooch999 11-15-2012 10:42 AM

Don't waste your money, any improvement form these "upgrades" is a pure marketing BS.

bighead2267 11-15-2012 03:35 PM

Quote:

Originally Posted by hooch999 (Post 7196793)
Don't waste your money, any improvement form these "upgrades" is a pure marketing BS.


+1 it make your car faster by AUDIO effect.

Mike Swing 11-15-2012 06:16 PM

But doesn't the K&N improve gas mileage? At least it can be cleaned.

mzambrana78 11-15-2012 06:29 PM

Bmw makes high performance parts for their cars. I would bet that a bmw filter is better than a k&n. dont waste ur money

luckydog 11-15-2012 06:45 PM

I think thoses type of air cleaners are for Buggies and Bikes and have no place under the hood of a BMW. Just the oil additives alone trash the intake MAF sensors with oil and dirt . If it was a good idea BMW would of already done it.:)


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