View Full Version : cold air intake


kor740il01
04-13-2008, 06:46 PM
who in here has anything about cold air intake for 2001 e38. better gas mileage or no

mikestyle
04-13-2008, 09:50 PM
lol i havent even seen 1

nidyanazo
04-14-2008, 02:06 AM
I made one, here:
http://forums.bimmerforums.com/forum/showthread.php?t=975696

plik
04-14-2008, 02:10 AM
I made one, here:
http://forums.bimmerforums.com/forum/showthread.php?t=975696

He did it the correct way -- with a heat shield.

But does it help with performance or gas mileage?