The X4 Power Flash arrives Pre-Loaded with DYNO Proven tune files that INCREASE HORSEPOWER and TORQUE! +44 HP + 42 TQ
– Flashable Tune Via Handheld
– High Speed Data Logging
– User Adjustable Vehicle Speed limiter, Tire Size, Rev Limiter
– Updates Via Email
– Transmission tuning option for automatics included
– View And Clear Diagnostic Trouble Codes
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