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      12-07-2012, 10:52 PM   #12
DDP2011X5M
Second Lieutenant
 
Drives: 2011 X5M
Join Date: Nov 2011
Location: ORANGE COUNTY, CA

Posts: 294
iTrader: (0)

Sorry if this ? has been answered before, but with these tunes, do they void the factory warranty?

Also is the difference in HP really noticeable when driving?

Thanks
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