ieatanimals
Member
Hey all. What’s the best sports air filter for Z4 E9 2013!
mkinternet said:Good old fashioned panel filter from K&N - lasts years and just needs a clean when you do your service.
Glad I'm not alone on that onejavis20 said:I took the K&N out of my car. Who wants to clean filters? Didn't notice any performance reduction. To be honest, I would see more performance if I just lost 5 pounds off my belly!