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      04-08-2012, 04:29 AM   #27
jsmonet
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Drives: 2020 x7 m50i
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Location: so cal

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did you happen to record what the temps actually were? 40deg can be significant, but it also could be rather insignificant depending on what the total temps were.


Quote:
Originally Posted by vantagesc View Post
What does the plate really accomplish anyway? Just keeps the suspension a bit cleaner? My other cars don't have plates at all.
there are two types of plates in common use.
-dust shield (does an adequate job of keeping debris out, at time traps rocks and destroys your rotors)
-cooling shield (similar duty as above + guides fresh air into center of rotor)

the f30's are of the latter kind. some brake cooling solutions employ high temp ducting and bolt into position such that they duct air from the bumper directly into the center of the rotor. cooling achieved by these setups is *immense*, especially when paired with a well-designed vented rotor.
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