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Air Filters...Standard or upgrade?
Posted: Tue Feb 18, 2014 10:28 am
by ultimatime30
Got a standard air filter on mine but looking at either Pipercross or K&N upgrade, any thoughts or leave well alone? Or other makes? Opinions please:)
Re: Air Filters...Standard or upgrade?
Posted: Tue Feb 18, 2014 11:01 am
by Grrrmachine
Leave it be. The $$$ BMW spent researching their filter will be far superior than some generic bolt-on bullshit.
Re: Air Filters...Standard or upgrade?
Posted: Tue Feb 18, 2014 1:32 pm
by Brianmoooore
That will be a Pipercross or K&N DOWNgrade.
What makes you think that BMW would fit an inadequate filter to a car costing almost as much as a small house?