Re: Why do I get a spongy pedal so quickly? (archive)

Hi, a similar thing happened to my M3 at L/S at the LA BMWCCA event. Turn 2 is hard on brakes! One thing I've noticed about the pressurized bleeders, they don't seem to push fluid quick enough to flush small bubbles. I bled my brakes Sunday morn at L/S with my pressurized bleeder, then had a friend pump the brakes and did the usual brake bleeding method. Doing it that way I wa able to get some smaller bubbles that had not been forced out w/ the pressure bleeder. BTW, what kind of pressure do you pump with? The sheet included w/ the bleeder says ~29 psi, right? But the Bentley book says to use 15 psi. I use the lower pressure and have an assistant to pump the brakes.
It's a pita, but it works for me.
You might also use this as a learing opportunity to try &o alter your braking technique; brake later but harder, smooth on the brakes to full braking, then taper off for your turn in. The less time you are on the brakes = more time to cool.
One mind game I play with myself when track driving is I try to imagine if Mika Hakkinen, Schumacher, Button, Trulli etc were to drive my car in it's current condition; would they be faster? Would they have the same problems in the same corners? Probably not, that's why they are driving F1 cars, and I'm not!
Have a Merry Christmas, and a fun driving New Year!
Mike
'95 M3
da kar is yellow
Drive it like you stole it!

Thanks,

Chris

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