Thread: 9.83s to the 1/4 Quarter Mile - RK Autowerks G80 M3
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      01-12-2022, 10:41 PM   #26
Remonster
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Drives: E90 M3
Join Date: Dec 2007
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Originally Posted by SteveChester View Post
What does "built gearbox" mean - upgrading to an existing ZF tc gearbox?
https://www.puredrivetrainsolutions....-transmissions
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