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      11-08-2009, 03:48 PM   #29
lucid
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Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

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Quote:
Originally Posted by JuniorM3 View Post
But my brakes were fine for 3 hours with the mods but suddenly broke. Unexpected with in half a lap.
Unless the rotor and caliper temperatures were at ambient temperature before your last session, I don't know that things suddenly broke. The caliper and rotor temperatures could have been progressively building up before the failure during the 3 hours--meaning whatever cooling the system experienced between sessions might not have been enough to bring temperatures down to ambient levels and residual temperatures might have been high.

Regardless, I share your frustration in that this car should have been shipped with some form of brake cooling stock.
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