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09-05-2013, 02:33 PM | #23 |
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+1 Same issue, doesn't bother me with the windows up but when they're down it's very noticeable.
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09-09-2013, 03:53 AM | #24 | |
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It was only obvious on uneven surfaces, anything from small lumps/holes in the surface tarmac upwards. Williams Rochdale sorted it out at the time. Since then it re-developed the noise - around April this year the same dealership replaced the front offside suspension bushing which silenced things again. So far so good. Go and have a moan before your warranty ends |
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09-09-2013, 10:34 AM | #25 |
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Wow, that is intesting to hear that this is an issue. I hear that thud and drop when I go over large uneven surfaces. It almost feels (and sounds) like the heavy wheel and RFT just plops down when going over these surfaces. I assumed that was a normal sound with these heavy rolling rock RFTs. Should I bring my vehicle in to the dealership to trouble shoot this? Is this noise not to be expected?
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09-09-2013, 10:38 AM | #26 | |
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09-10-2013, 03:45 AM | #27 |
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Right-hand side shock absorber was what they told me, although it ended up being the left one they replaced
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09-10-2013, 03:53 AM | #28 | |
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And it was annoying me that my wife's little Fiat 500 could bounce over the same bumps in relative silence yet my premium car sounded like the wheels were wobbling about. |
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09-11-2013, 01:50 PM | #29 | |
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I drove for a week in Malta late last month in a small Skoda on very rough roads and no knocking. Come home to the BM and as soon as there is a rough patch the knocking is evident. Sounds like the same problem you had. We'll see what BMW have to say tomorrow. |
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09-11-2013, 09:40 PM | #30 | ||
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09-12-2013, 11:43 AM | #31 |
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So this morning at Coopers BMW Tunbridge Wells in Kent, UK, I took a technician for a drive to demonstrate the Thud/Knock. It was actually difficult to reproduce the sound as the roads around are recently surfaced and so the car drives very smoothly even on 19" wheels with RFT tyres. So I found a housing estate with tarmac where the top layer had cracked up. 2 passes of this stretch of road and the technician said he now understood and would take a look.
I've just had a phone call (5:30pm) to say that a part had been ordered and would be fitted tomorrow. It's a suspension wishbone and so they will do a geometry check too. Hopefully this fixes it! I can only get back on Saturday morning to collect the car so I'll update you over the weekend. |
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09-16-2013, 01:07 AM | #33 |
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The technician couldn't see anything obviously wrong but he changed the tie rod end and the lower wishbone (the one the shock absorber attaches to). He test drove the car and said he didn't really think there had been a difference. I've been out for an extended test drive and I think it is slightly better. Now the only time there is a knock is if the surface of the road suddenly dips and it sounds like the shock extends to its fullest and knocks at that point. The technician has offered to come and pick the car up from my house to take it back to BMW if I am still not happy. Think I may take him up on the offer.
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10-05-2013, 08:51 AM | #34 |
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BMW are collecting my car on Tuesday morning to replace the offside shock absorber. As the car is now out of warranty this is probably the last thing to have replaced at no cost to me. Hopefully it makes the clunking go away.
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09-10-2014, 05:55 AM | #36 |
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Hi Valcor535.
There are many people with this same problem but as yet no solution. You state that you had the bushings on both sides replaced but have not said whether this had any positive effect. I (and I am sure many other people) would be keen to know...especially if it solved the noise problem! Please let us know. Regards Gavin |
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09-10-2014, 02:14 PM | #38 |
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Hi again.
Many thanks for the prompt reply and good to hear the positive outcome you have had. As I am not an expert on the front suspension parts, can I just ask you specifically which "bushings" were replaced? Is this on the "control arms", "sway bars", or some other part of the set-up? Do you have a part number from the job slip maybe? I just don't want to look an idiot when going into my service department to talk about this. My car is still under warranty and I intend to ask them to replace them. Thanks again Gavin |
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09-12-2014, 09:26 PM | #39 |
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Lower control arm bushings are notorious for breaking on BMWs. They are oil filled and when the break causes play and in return you hear/feel the thud noise.
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10-20-2014, 12:53 PM | #41 | |
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07-03-2015, 01:19 AM | #42 | |
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I know this thread was from awhile ago, but wanted to see what the dealer did to fix yours? I ask because I still feel like theres a slight creak but it rarely happens now - just wanted to know if you had any other fixes done, for reference. Thanks! |
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07-03-2015, 12:03 PM | #43 |
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I Had A Similar (same?) Problem
My 2012 550iX (60,000 miles) made a terrible metal on metal clanking noise at low speed going over any type of bump; no problem at highway speed. I honestly thought the muffler was falling off, it was not. Took 3 visits to an independent BMW mechanic, a BMW dealership and finally another BMW dealership (not the same as the previous one) to get it fixed. Turns out the front stabilizer links had excessive play (p/n 31-25-6-777-319). Stabilizer links replaced ($254 parts and labour) and now the car is whisper quite.
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07-06-2015, 11:03 PM | #44 | |
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