06-02-2016, 05:03 PM | #1 |
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Stone stuck behind brake disc?
Today when I was driving slowish there was a scraping sound coming from the left side of my car which got worse the more I slowed down or turning a corner, but driving at 60-70mph it wasn't there, so I stopped and had a look around but couldn't see anything. I then tried reversing and braking to dislodge any possible stones, drove off and couldn't hear it any more, so I drive quite a few miles more and slowed down on smaller roads, it still wasn't there, happy days I thought! Then a few miles further I slowed down and it was back, and the slower I went it got really loud this time, and as I came to a stop there was a loud pop and a metallic clanging noise like something metal fell off the car! I looked around but nothing had fallen off and it's been fine since.
So was this a stone caught between the disc and backing plate? |
06-02-2016, 05:26 PM | #2 |
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Yup sounds like a stone I think, big problem on the F8X platform too and mine sounded precisely like this.
You could hear it loads travelling at 10-30mph but higher wind and tyre noise takes over with the window down. Stone worked its way out after quite a few days.
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06-02-2016, 05:30 PM | #3 |
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Does sound like a stone. Can be a horrid noise. Perhaps it dislodged and sat in a 'safe' place for a few miles, before dropping back in between, and sounding off again.
Talking of noises, I drove down to my dealer after a heavy overnight storm, lots of road debris. Pulling up at the garage there was a horrible sound coming out from under the car, clearly in the o/s rear wheel area. I suspected a bit of branch or similar had got caught. Mention it to the service desk, as I couldn't see anything obvious and it was going up on the ramp. A few minutes later service guy brings in a smallish twig they'd found jammed in the brake. Was hard to believe something so small and relatively soft had made so much noise on slowing down to a halt. |
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06-02-2016, 05:30 PM | #4 | |
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Wonder if it damages the rear side of the disc much? |
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06-02-2016, 05:33 PM | #5 | |
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Also today my windscreen wipers have started juddering! First time in the 9k I've done in it! |
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06-02-2016, 05:48 PM | #6 | |
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http://www.wiperblades.co.uk/bmw-3-s...1-wiper-blade/ Under £20 at the mo for OEM blades. Although on backorder by the looks.....
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06-02-2016, 06:11 PM | #7 | ||
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06-02-2016, 06:42 PM | #8 |
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Yes I believe so. I bought some a few months ago and they are brilliant (well as good as OEM - probably because they are!)
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06-03-2016, 01:12 AM | #9 |
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I had this (stuck stone) once on my E90. The BMW mobile service guy that came and fixed it said it was a very regular occurrence.
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06-03-2016, 02:54 AM | #10 |
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I've had E90's and F30 for 7 years and never had it once!
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06-03-2016, 03:01 AM | #11 |
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Nick Murray describes the problem here on his M4. Easy fix too.
Go to around 1:20.........
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