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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Perfomance Tuning



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      Yesterday, 04:45 PM   #1
Zack77
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Perfomance Tuning

I was looking into purchasing a tune and ended up getting a little curious about something-Since we have access to Programming/Updating DME files-couldn't we technically perform/flash a tune without any other tools (such as the G5 Tool from AA). I've never really looked into the structure or encryption that's involved with the DME files-but I am definitely interested in doing so.

Obviously I wouldn't trust myself to adjust/come up with values; but has anyone flashed a tune without any specific "tuning" hardware? When you purchase a tune from say AA, what exactly is the delivery method; is it just a file that needs to be flashed?

I apologize if this is a somewhat stupid question, but if anyone does have any information I'd appreciate input!
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      Yesterday, 06:01 PM   #2
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I'm set up to flash tune DMEs, but it requires a Bav Tech cable. And, I have off the shelf tunes that's primarily based on the type of gas you burn.
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      Today, 10:51 AM   #3
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This guy as created an android app that does just that:
http://www.e90post.com/forums/showthread.php?t=1096242

It looks pretty promising to me. He is having people test it this month then supposed to do an official release in April. Assuming the testing goes well, I think I am going to go this route for a tune.
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