Need intelligent suggestions - to improve my 1/4 mile performance
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09-10-2012, 10:24 PM
Drives: 2009 135i 6MT
Join Date: Feb 2010
Add a JB4, race gas, and meth kit for the dragstrip, and set the JB4 to map 0 to use your Dinan tune for street.
Intercooler and exhaust are good for track days but very low bang for the buck for drag strip.
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