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Ok so I finally read this whole thread and have some interesting input. I have a 2021 f90 bmw m5comp. In Australia, December 2020 build. I’ve done approximately 20 launches on it (including a couple in the break in period, whoops!) and it has never ever changed gear from 1st to second and from second to 3rd when using launch control, as fast it does under normal WOT from 3rd to 4th in M1 which I have set as 3/3 auto transmission speed and 3/3 engine response.
Under normal wot in m1 it changes from 3rd to 4th and 4th to 5th so fast you would think it’s a dual clutch, it’s basically instant.
But when I launch it there is a definite small change time between 1-2-3. Enough that the car noticeably bucks.
So someone try make sense of that for me!
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