X1 modification thread...
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11-11-2012, 09:18 AM
Private First Class
Drives: 2013 X1 28i Xdrive M Sport
Join Date: Jul 2009
Best bet is to become friendly with a service advisor or get a Bavarian scan tool...
The aFe drop in I wasn't looking for performance I just wanted it to breath better... Should help with mpg also
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