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      09-19-2009, 12:30 PM   #5
cstavaru
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Drives: 2009 335i M Sport Sedan 6MT
Join Date: Aug 2008
Location: Bucharest, Romania

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Be careful about tuner codes (aka losing warranty) with those. I read they have crazy powerful low-end grunt but at the expense of tuner codes stored in the ECU. For older ECU's and software combinations this was ok, but with the newer software its not ok to run it. Could void your warranty. You could always get a Bavarian Technic cable and erase the codes, though.