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      01-14-2021, 08:30 PM   #232
solstice
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Drives: 2015 M3 6MT
Join Date: May 2013
Location: Seattle

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Quote:
Originally Posted by SYT_Shadow View Post
I wonder how different that 8kg, 20lb is vs the weight reduction stuff the F80 CS has.

I actually ran into the C&D people at VIR while they were filming the Lightning Lap that will be released at some point this year. Really nice group of people. I got a subscription after the event.
To note is that CCB weight reduction in terms of the rotors count ~3x the weight reduction from for example CF seats when it comes to acceleration. That’s the approximate factor of power required to accelerate static mass vs rotating mass if I recall right from past discussions.

Luckily most if not all of that 8kg rotational weight can be mitigated by going with the 18/19 wheel setup if you are a weight purist as BMW put it I suspect that is not possible with the CCBs. due to front brake clearance.
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