07-15-2014, 08:27 AM | #1 |
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Brake Bedding?
Less than 200 miles on my new M4. Not the carbon ceramics.
Noticed yesterday when driving slowly a scraping sound from the left rear wheel approximately every half turn. I jacked up the car, put it in neutral and spun the wheel, and sure enough, it was coming from the brake caliper. Decided to drive a bit and pump the brakes to see if that helped. As I drove, when I swerved right, the sound grew louder, and disappeared when going straight. Eventually it stopped altogether and I can't get it to happen anymore. I figure this may be part of the brake bedding process. Thoughts?
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2015 F82 M4 DCT (current) / 2012 991 C2S PDK / 2011 E92 M3 6MT / 2009 Cayman 6MT / 2007 E92 335i 6MT / 2004 E46 325xi 6MT / 2000 E36 Z3 M Coupe 5MT |
01-17-2015, 04:18 PM | #2 |
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Any updates here? I heard the same sound at the very first day I picked up my M3, also on the left side. Today with almost 800 km on the clock I heard it again much louder and even often at low speed :-(
What did BMW say about that? Suspension and/or brakes issues simply drive me crazy. |
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01-19-2015, 01:30 PM | #3 |
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No more brake scraping. Stopped around 500-800 miles.
Still get the rock in the heat shield sometimes that causes painful-sounding scraping noises.
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2015 F82 M4 DCT (current) / 2012 991 C2S PDK / 2011 E92 M3 6MT / 2009 Cayman 6MT / 2007 E92 335i 6MT / 2004 E46 325xi 6MT / 2000 E36 Z3 M Coupe 5MT |
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01-19-2015, 01:34 PM | #4 |
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Same here on both of our m4's its a rock or pebble stuck between the rotor and the guard behind it just move around that sheild and it should free the rock .. no more problem!
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01-24-2015, 08:09 PM | #5 |
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Drives: M4 MW/SO 6MT, E46 M3 AW/IR 6MT
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Could have been some dirt that got caught around the brake caliper
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01-24-2015, 08:15 PM | #6 |
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This is a rock. It sounds awful but it is not bad. It happened to many of us. I was terrified!
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