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ESS now offers a DIY option for S85 tuning.
Introducing the new Direct Flash OBD software tuning interface. ESS Direct Flash gives the end user a simple to use device that allows for self programming of our performance software. No longer will ECU removal and shipping be required to install or update the software in your vehicle. We will be offering a limited time introduction promotion for M5board members. Please visit the sponsors advertisement section for more info.
If you have any questions please feel free to ask.
Features Include:
100 % DIY operation with easy to follow instructions.
Easily store and switch between up to 10 tunes.
Instant access to stock and tuned files.
Updates and support via internet / email.
Software support for all US and Euro spec vehicles.
S85 dyno tested "stock"


For a full list of compatible vehicles please visit www.esstuning.com