Quote:
Originally Posted by Cjallstar
will i really only get 15hp increase? I thought 5-10 for cai, 10-15 for exhaust, and then at least 15 for ECU? my only option is Dinan becuase all mods must be dealer installed
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They aren't cumulative. You need to do all of them to get anything measurable.
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2007 X3 3.0si, 6 MT, Premium, White
Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue
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