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2010 2011 BMW 5 Series Forum F10
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01-11-2013, 12:37 PM | #1 |
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Suspension noise from rear
I find that the suspension seems to clatter a fair bit over the rough stuff. I have standard suspension (no VDC) and 17'' runflats. When I got the car I discovered that the tyres were over inflated so I let air out and adjusted them to the correct settings - 33 front and 36 rear. But I actually think it was less noisy with the higher pressure in the tyres, but that makes no sense! Any one else experience this?
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01-11-2013, 12:40 PM | #2 |
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I often get a noticeable "thud" from the rear end over big bumps. There's one bump on my way to work that upsets the rear end so bad it feels like it hops. Ironically, my lowered MKIII VW eats it right up.
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01-11-2013, 01:26 PM | #3 |
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We picked up 2 535s last month.
I havent noticed anything but my brother mentioned something about some noise from the rear. Ill check with him when I see him later. |
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01-12-2013, 12:29 PM | #4 |
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I have the same thing with mine. Doesn't really bother me. Mine has the M-sports suspension which makes the car firmer. Could be just plastics that move around. I dunno.
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01-12-2013, 07:34 PM | #5 |
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Probably due to BMWNA instructing dealers to covertly rotate shock towers and dealers failing to torque the bolts back to correct pressures. I had the same 'thud', which was delayed in sound and feeling when going over certain bumps, but only from the right rear. After SEVERAL complaints, a different dealer found bolts that weren't torqued completely, which they tightened, which solved the problem. Sad to say, but it's disgusting the way the company treats customers.
Last edited by dbs600; 01-12-2013 at 07:42 PM.. |
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01-13-2013, 02:27 AM | #6 | |
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01-13-2013, 05:11 PM | #8 | |
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Not convinced that something is loose, you mention the rear, the adjustments were for the front of faulty cars wth steering pull. HighlandPete |
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01-13-2013, 05:24 PM | #9 |
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BTW, has this clatter got worse as the winter has come on with lower temperatures? I assume you are on summer tyres, which can harden up a bit with cooler temperatures and that can give more issues if the suspension is already struggling to give good ride quality on poor surfaces.
Been there with the E91, so have a bit of experience when tyres just don't work the same in cooler temperatures. I'm on Adaptive Drive and running 17" winter tyres. There is a slight difference in ride quality as the temperature drops, but the suspension still does pretty well. As I'm in the touring I have the benefit of rear air suspension, that helps sorts the rear out as well with its variable spring rate. I sense every little helps to cope with using RFTs. HighlandPete |
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01-13-2013, 06:07 PM | #11 | |
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01-14-2013, 04:04 AM | #12 | ||
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BTW, besides the cars being wheel size sensitive for ride quality, I've found RFTs are very tyre pressure sensitive and you may need to experiment a bit, a couple of psi at a time, to get the best drive. Having tried a few F10/11 models I came to the conclusion the cars needed at least VDC to improve the ride quality. I've also found in my E91 330d the ride quality on RFTs was far better with a loaded car, the suspension then worked in harmony, rather that what I've concluded are conflicts and amplification of imperfections on some surfaces. Quote:
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01-14-2013, 04:11 AM | #13 | |
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01-14-2013, 05:53 AM | #14 |
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Dom, FWIW, I don't have this issue, I have standard suspension (removed M-Sport as I didn't want it to be too hard)... which would be same as yours.
You do feel / hear the tyres on the rough stuff, but only the normal sounds you'd expect with 275/18's RFT's at the back. Sounds like you need some adjustments !
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01-14-2013, 04:59 PM | #16 |
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Thanks everyone for your replies. The car is only a week old. I will experiment with tyre pressures and if that doesn't work I will probably look at non- run-flats.
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