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      03-23-2020, 12:17 AM   #4
wrk.eat.drive.rpt
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Drives: 2016 340i, 08 e92 m3
Join Date: Aug 2017
Location: CA

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I will chekc the control arm. I just changed the rotor so I agree unlikely rotor warp. Any folks have thoughts on this thread statement I dug up?

"It's also not uncommon for the sliding mechanism on the OEM single piston to get fouled/seized up. They also make a rather horrible and disconcerting grumbling sound after a while of hard use"

Sounds a lot like my problem. A grumbling..

Any idea what mechanism he is referring to in the calipers?
Appreciate 0