BMW M3 Forum (E90 E92) - View Single Post

boother · 03-20-2010, 11:21 PM

really itchin for exhaust and a tune. how many should I put on my car before I do this? Can the dealer know I tuned the car? pros and cons of tuning?

03-20-2010, 11:21 PM	#1
boother Private First Class 26 Rep 187 Posts Drives: 2010 jerez black m3 coupe Join Date: Mar 2010 Location: huntington beach iTrader: (0)	how long before my first engine mod really itchin for exhaust and a tune. how many should I put on my car before I do this? Can the dealer know I tuned the car? pros and cons of tuning?
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