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      01-16-2013, 01:52 AM   #4
Drives: BMW
Join Date: Jan 2013
Location: Chicago

Posts: 90
iTrader: (0)

Go right back to the shop who tuned your car. If all you did was a dp and tune you should be ok. A friend of mine has an x6 dp, eisenmann muffler and ESS tune since he bought it new and it now has 35k and no problems at all! Its a BEAST
Brian@MWP is offline   United_States
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