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      01-09-2013, 12:25 PM   #9

Drives: 2008 M3 Coupe
Join Date: Aug 2012
Location: NC

Posts: 91
iTrader: (0)

I have the same question. My E92 is completely stock so I'm wondering if I need to do something to really benefit from any sort of tune. I keep reading about the BPM from you guys so I'm almost leaning towards it but there is a local tuner in my area ( but no one seems to have much feedback...