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      05-09-2021, 11:53 AM   #94
Terrier15
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Drives: 2019 BMW M5 Competition
Join Date: Feb 2019
Location: PA

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I'm two months in now with the Porterfields and they squeak, maybe not as grindingly as stock, but they aren't anything close to silent. Yes, I did bed them and I had the install done by a local high end aftermarket shop. I had exactly 5 blissful days of quiet braking before that wrenching sound began again. Of course, it helps to wash them thoroughly, which will give me a day or two of relief, but this didn't solve the problem.
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2019 M5 CP
formerly - 2018 M4
and before that - 2013 M3
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