Droptopp congrats ! the RaceChip works for some on the N63Tu for some it doesn't.
Which track did you go to ?
Those are some good times my friend's stock X5M ran 12.1 at ATCO (fastest track in tri-state)
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60-130 6.5s X4M
60-130 5.04s G80 M3 Stock Turbo
60-130 4.82s | 9.4@148mph 1/4 Hybrids
IG: @bmwF9XG80
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