Quote:
Originally Posted by WVMTNBIKER
Hmmmmm, I guess I always heard K&N products were good products. I've run them in Corvettes, Porsche's and others w/o incident. But maybe BMW's are different, eh? 
Given your thoughts, like you said, for the couple times a year a filter gets changed, I'll just call my local stealer and order one from them. 
So are you also recommending BMW oil? I've heard others on the forum here say use Mobile 1, Amsoil, Castrol and others. Again, I've also used Mobil 1 in a lot of car w/o any problems either.
I know it seems that if you own a BMW, keep it ALL BMW, eh?  |
I wouldn't use a K&N filter on any engine that I cared about. Look at independent tests of how much dirt their air filters let through.
I use BMW oil, or Castrol 5w-30, but I would happily use Mobil 1 as well. No Amsoil.
It isn't about keeping it all BMW to me, it is simply about not installing consumables that are less functional than the original.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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