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      10-31-2007, 07:07 PM   #6
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Drives: 2011 E90 335d
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Originally Posted by Brisk View Post
heres some old enough i had if u would like to add.

Now if this is safe or not is subjective... many people think its fine at these power levels, and is proven by the fact that there is no detonation or pinging, and engine temps remain unchanged. Other's think that this device is completely unsafe.
Maybe the more knowledgeable folks on the forum can explain why/how the TT can be considered 'unsafe' by some if it stays within the ECU's capabilities to adjust fuel and timing as needed. Nothing against the piggyback tuners but I would tend trust BMW engineers more. Can anyone explain?

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