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Stage 1

Stage 1: Tune Package

The gateway. A tune alone wakes the S58 up in a way you won't believe.

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Install: 1–2 hours

The Stage 1: Tune Package for the X3M/X4M / S58 includes 1 part, targeting 500–530 WHP on 93 octane.

The X3M/X4M / S58 makes 420-450 WHP from the factory. With the Stage 1: Tune Package, expect approximately 500–530 WHP on 93 octane.

Fuel Est. WHP
93 Octane500–530
E30550–580
E50600–630
E70+600–630

What's Included

MHD ECU Unlock
MHD ECU Unlock
MHD Tuning
$549
All-in-one flash tuning license with maps for 93, E30, E50, and E85. Flash OTS maps or custom tunes directly from your …

Learn More

X3M/X4M: The S58 SUV Performance Guide
Same S58 engine as the M3/M4, different chassis. What changes and what stays the same.

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