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      08-15-2011, 07:52 PM   #34
M3 Montreal

Drives: 2012 M3 SG ,DCT & 2011 S4
Join Date: Oct 2008
Location: Montreal , Canada

iTrader: (0)

Originally Posted by Martin_D View Post
It is the brake boost assist. This happens to fast drivers in the E9X M3. The system pulls vacuum from anywhere it can and you get an inconsistent pedal.

AE performance is working on a fix for this. It happened plenty of times in my car, happens with their car as well. Anyone driving fast knows about this.
So whatès the fix for this...

Im pretty sure I experienced this on hard braking last week and I was wondering if my brake fluid was not properly bled.
2012 E92-M3 Space Grey on Fox Red, DCT

2011 B8 S4 S-Tronic , Black on magma red