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      05-30-2008, 07:01 AM   #7
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J08M3's Avatar
Drives: 2011 M3 COUPE
Join Date: May 2008
Location: NEW YORK

Posts: 6,012
iTrader: (8)

As my understanding, the Tech package only lets you detune the car. You still have Power button without it. For me it wasn't necessary because I would never use any of the slower settings.
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