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      02-25-2013, 05:02 AM   #11
GaryS
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Drives: 2009 135i 6MT
Join Date: Feb 2010
Location: Maryland

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2009 135i  [6.50]
Quote:
Originally Posted by Braap View Post
This is true...

Found out it was some type of Power Reduction Mode triggered by excessive brake fade sensed by the computer. What's weird is there was NO brake fade. Maybe the car senses temp only and my setup is just capable of surpassing those temp triggers without fade?
The car senses pedal pressure and wheel speed. In your case and all the others people have posted here, it's miscalculating. I spoke with a rep at Bimmerworld named Gary Gray. They sell a tune called Epic Tune which is similar to Cobb AP. The tuner says he can disable the brake fade limp if you work with him. I don't know if anyone has tried it.
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