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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > What can go wrong if I...BM3
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      09-05-2020, 10:19 PM   #1
phdat28
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What can go wrong if I...BM3

What can go wrong if I flashed transmission TCU twice on BM3? Will the second time just replicate the first one?
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      09-05-2020, 11:14 PM   #2
paimon.soror
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just re-writes the TCU map that you chose. Same as if you were to flash an OTS map twice.
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