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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.
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.
MSRP $1,295 + shipping
M5board introduction pricing $1,150 + free shipping
To order visit www.esstuning.com and use coupon code "Directflash" to apply the savings.
S85 dyno tested "stock"

Software Features :
-8400RPM limit, higher available as custom order
-Removed top speed governor
-Reprogrammed torque management
-Reprogrammed throttle response
-Reprogrammed ignition, vanos and fuel parameters for optimum operation
-Removed top speed governor
-Reprogrammed torque management
-Reprogrammed throttle response
-Reprogrammed ignition, vanos and fuel parameters for optimum operation
The software is compatible with performance cat-back exhaust systems. Header software available upon request.
Typical performance increase is 10-15WHP and 10-15ft/lbs of torque on 91AKI with software alone. 93AKI version will under normal conditions develop 15-20WHP and 15-20ft/lbs of torque.
