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ESS S63TÜ Stage 1 Performance ECU Software 700+ HP / 680 lb-ft tq
Expert calibrated ESS Performance ECU software for the 2012+ M5/M6.
Adds ~90-100hp and ~90ft/lbs of torque over stock M5/6. (75hp and 85ft/lbs on Performance Package M5/6)
This software is calibrated to the maximum capacity of the OEM hardware. This software should not be used with additional piggybacks of any kind as it is already fully tuned through ECU software directly.
Version available for X5M/X6M as well.
Available options :
-ESS E-flash remote programming cable to switch between stock and ESS software versions/options ($345)
-Removed top speed limiter
-Removed cat check option for off-road use
-Removed cold start cat heat up cycle.
-Linear torque option for less bottom end torque gain to aid tire grip.
-Calibration available for upgraded turbos and/or HFC/catless downpipes.
Email email@example.com for more information.
Note: Prior to sending ECU in for configuration, you must note on each ECU which side of the vechile you took the ECU out of. Please also include your name on the ECU.