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      07-17-2012, 08:51 PM   #1
besiktas
Ultimate Driver for the Ultimate Driving Machine
United_States
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Drives: BMW M3 E92
Join Date: Oct 2009
Location: Houston, TX

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Can someone explain what happened to my brake pads?

I was in NJMP Lightning on saturday. bone stock car. 20 min sessions and brand new OEM front rotors and brake pads with 500 light miles on them.
I went on the track and the first session was raining so didnt even push it then in the other 3 session, as it dried up, i went faster but i was still gentle on the brakes. I felt like the pads were not biting the entire day and i dont think i was driving hard enough to boil the brake fluid.
Anyway, at the end of the day, there was a huge layer of brake dust on my front wheels. (much more than the 2 hrs i spent on VIR). On my service info screen, the lifetime of my pads went from 28k to 17k miles.
Is there like a brake in period that i wasnt aware? what happened to them, just fell apart? Were they faulty parts?
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BMW M3 E92 - Silverstone II
BPM Sport Stage II Tune + Test Pipes, GTS DCT Tune