The X4 Performance Programmer connects high-performance calibrations to your vehicle for an immediate boost in horsepower and torque. Awaken your engine to its maximum potential with SCT’s preloaded, dyno-proven tune files through the X4’s easyto-use functionality. Instantly increase horsepower and torque, and customize a variety of parameters at the touch of a button, all while monitoring gauges on a customizable display.
Current Vehicle Fitments:
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