x6 50i ESS Chip or Activeautowerke chip ??
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01-22-2013, 05:31 PM
Drives: 2014 435I M-sport
Join Date: Dec 2011
Location: Miami Fl
Originally Posted by
You should take a look at Velos their seeing gains from 90awhp & 130tq gains.
Our level 1.5 tune is the highest I have seen without any other modifications done to the vehicle.
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