Epic Motorsports

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ECU Tune for 2001-2005 BMW 3 Series E46 M3, MZ3, M Coupe, With S54


Through custom ECU tuning we are able to provide more usable horsepower and torque outputs by modifying BMW’s dual variable cam timing (VANOS), throttle tables, and fuel and  ignition maps. Better part-throttle drivability is also obtained. The vehicle’s rev limiter will be raised to 8200 and the top speed governor will be removed. Custom software modifications for headers and disabling emissions control devices (off-road use only), alpha-n for carbon  intake plenums and/or camshafts can also be made. We can also add the SMG shift lights to your 6-speed car. Our Race software was developed through years of on-track data logging and dyno tuning to extract every last horsepower and remove all the common problems associated with running a S54 on the race track without compromising reliability. This software can be customized for stock or fully race built engines.

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