11-05-2011, 04:42 AM
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BMW CCA Member
Location: Ohio
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Join Date: Aug 2010
Posts: 137
Mein Auto: 2007 X3
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What are your thoughts on: http://www.ecstuning.com/BMW-E83-X3-...Kits/ES250700/
I have a 2007 X3 3.0si (btw, is there a difference between si and i or is that just to label the N52 engine?) 
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