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Tuning e46 325i??

5K views 4 replies 2 participants last post by  Alpha167 
#1 ·
Hey everyone I want to tune my e46 I've done
the tune up for it just replacing the fluids and sensors and gaskets I've got to a place now where i can start adding power i already have a 3 peice exhaust from obx and I have a mishimoto air intake as well I know I need a obd2 to USB cable but I need a free software that I can use on a windows computer for the m54b30 so I can get her tuned I just want some exhaust pops more hp and tq dont want to break the bank doing this so I aprecciate any help
 
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