Thread: COTA Track prep
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      01-15-2013, 12:12 PM   #2

Drives: E90 335I, E92 M3
Join Date: Feb 2012
Location: Midwest

Posts: 1,325
iTrader: (4)

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.
E90 335I: FBO +wavetrac LSD
E92 M3: K&N, V1, Yokohama AD08