Quote Originally Posted by MVP View Post
I think I might just get an upgraded panel filter come the next service... not that keen on upgrading the beast too much, just like it breathing nicely!
You got it right there...

With the E46, BMW got it spot on for the Airbox is not restricting in any way... So Panel filters are the way forward there... Any filter will do K&N, Pipercross, ITG and Green they are all good... a lot of people favor ITG as no bad storys really get put up...

btw... Dont listen to the yank...