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      04-18-2013, 02:24 PM   #6
Second Lieutenant
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Drives: 13 M5
Join Date: Jun 2012
Location: USA

Posts: 218
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Originally Posted by RPiM5 View Post
I think that button is only in the 550i Stage 4. It's to limit the power because it makes so much more than the F10 M5.

Sorry just had to do some teasing. I'll be quiet now.
carlsturm - My E60 M5 suffers from "RPM lag" - I'm not concerned with F10 turbo lag
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