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      10-17-2022, 08:52 AM   #55
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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It could be most tunes do because the ECU talk to each other. I am think my BM3 flashed both ECU. But that may be different from an actual trans tune like XHP.
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