Thread: n55 hartge tune
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      07-02-2012, 10:43 AM   #9
sochermit
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Drives: 2003 325i, 2012 135i
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Location: Canyon Lake, TX

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New to everything. If you installed this device would you also have to upgrade the intake cooling system and the entire exhaust system? While I am at it what are the various parts of the exhaust system: DP, Mid pipes, exhaust pipes...?