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ReddyFreddy · 08-18-2014, 02:47 PM

My rear brake on my M4 is making a scratching sound. It sounds like metal being scraped on metal. I am guessing that one of the (4) pistons is pushing the pad against the rotor. Is this normal?

08-18-2014, 02:47 PM	#1
ReddyFreddy BMW M Fan 18 Rep 56 Posts Drives: BMW M4 Join Date: Nov 2013 Location: Chicago iTrader: (0)	Ceramic Brakes Piston Sticking Issue? My rear brake on my M4 is making a scratching sound. It sounds like metal being scraped on metal. I am guessing that one of the (4) pistons is pushing the pad against the rotor. Is this normal?
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