Quote:
Originally Posted by RPiM5
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.  |
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carlsturm - My E60 M5 suffers from "RPM lag" - I'm not concerned with F10 turbo lag
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