How many miles on the '21? Sounds to me like maybe the car just hasn't fully settled in yet.
I seriously doubt that BMW would alter the tune from '20 to '21. With all the automation in manufacturing now, I doubt that your car is out of spec.
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Ex Stig
'25 M5 Touring (on the list, first slot)
'24 X7 M60i
'22 M5 CS - (sold)
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