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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > From Eurocharged Tune to MHD



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      05-06-2020, 06:03 PM   #1
SixSix
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From Eurocharged Tune to MHD

Just curious if I need to take my N54 into Eurocharged to have them untune the DME or if I can just reflash with MHD and it will be alright. When I originally asked Eurocharged about getting the car untuned they said I would have to bring into their shop and pay $100CAD+hst to have the car untuned. I sent them an email later on in the month asking if I would be able to just reflash the DME with MHD to avoid my 2-hour drive to their dealer and received no reply. If anyone knows anything about this please let me know. Again, I would like to know if I can just reflash the DME without getting the car untuned by Eurocharged first.
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      05-06-2020, 07:59 PM   #2
Boosted12a
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I would contact mhd. I would think you could just flash over what ever you have on it now.
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      05-06-2020, 08:03 PM   #3
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Quote:
Originally Posted by Boosted12a View Post
I would contact mhd. I would think you could just flash over what ever you have on it now.
Quote:
Originally Posted by Boosted12a View Post
I would contact mhd. I would think you could just flash over what ever you have on it now.
Okay perfect, I'll shoot MHD an email and update when they get back to me. Thanks for the help.
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      05-07-2020, 06:59 PM   #4
roadkillrob
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I reflashed over GIAC locked flash, it is no issue, you just won't be able to back it up if it is a locked tune, but you can write over it just fine.
You won't have a backup, but if you need to go back to stock MHD will pull a stock BMW version to match your hardware to go back to stock, so no worries there if you ever need also.
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      04-02-2022, 08:20 PM   #5
baikens
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