Thread: Z4M ST40 all around - braking balance problems?
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      11-02-2018, 05:42 PM   #9
Z4M_Coupe
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Quote:
Originally Posted by mimarcos View Post
How bad is the knockback on the regular ST40s?
For track use, you'll get upset... people usually add springs to prevent it. Springs are super cheap, it's just the labor that sucks..
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