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On my past S55 and S63, I had custom tunes done for those motors through a reputable tuner. Review of data logs, revisions, communication about goals.
Does anyone like this exist for JB4 Map 6 on a locked S58? Like a Paul Johnson, or a Bend Calibration, etc? So far I just have a buncha randos reaching out to me on facebook offering their tuning services lol. Seems a bit sketch.
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