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      07-18-2011, 04:14 PM   #19
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Drives: 128i
Join Date: Dec 2010
Location: Georgia

Posts: 2,882
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2009 128i  [5.00]
Why do all these tunes advertise much higher, but with the 15% loss still doesn't seem to add up? Am I missing something?

Seems as though the stock 135i gets a huge benefit from tunes (80-100hp) rather than the 20-30hp benefits from the 1M tunes?

Last edited by Satalite; 07-18-2011 at 04:55 PM.
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