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      10-11-2019, 07:23 PM   #10522
roastbeef
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Drives: E92 M3
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Location: Orange County, CA

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Quote:
Originally Posted by gmx View Post
Someone explain this to me. What happens specifically to cars like ours with springs and brake shoes?
the parking brake is just a small drum brake inside of the hat of the rear rotors. when you pull the parking brake, the pads simply spread to press against the inside of the drum. you're basically putting force on a hot brake component and as it cools, you run the risk of it distorting.
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