Thread: COTA Track prep
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      01-15-2013, 01:12 PM   #2
Killerfish2012
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Drives: E90 335I, E92 M3
Join Date: Feb 2012
Location: Midwest

iTrader: (6)

Intake and exhaust solenoids, if you haven't done them in a while. New diverter valve, and charge pipe (since you have oem), replace all vaccum hoses with new silicone vaccum hoses.