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      01-20-2009, 09:38 AM   #149
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lucid's Avatar

Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

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Originally Posted by badfish View Post
Duh, my bad math. I took a chart that PencilGeek made and modified it but neglected to notice that it was not for all 4 corners. So my total for the OEM brakes is 135.8 and the Stoptech kit 131.19.
You are right. I copied the wrong number. The total weight reduction for your Stoptechs is 4.6 lbs. Honestly, if it was significantly more, I'd have to wonder where the reduction is coming from. I don't see how one can make the rotor significantly lighter and keep the same thermal mass to keep temps in check.

Originally Posted by badfish View Post
For reference, here is a link to **********s for the E92 M3 BBK. Price depends a lot on the options.
It priced out to $6050 with drilled rotors. Thanks.