03-03-2017, 11:09 AM | #243 |
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Jumping in here from across the pond. The thread title and description of issue sounds oddly familiar to what I'm experiencing here - knocking from rear of the car over bumps/uneven roads. My dealership has replaced the fuel tank, rear diff, various suspension components, but not the shocks.
Guess what? The noise is still present. When you guys were dealing with this issue, did anyone try to capture the knocking sound on a camera/phone? |
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03-03-2017, 01:46 PM | #244 | |
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I tried but it was impossible. Can only describe it as: Slow speed as if the exhaust is knocking on the axle as it was moving from side to side. Faster speeds more like a thick metallic plate rattling at the rear of the car. That is about the best I could describe. |
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03-03-2017, 02:31 PM | #245 | |
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I've never had mine much above 30mpg. And I don't drive like a loon all the time.
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03-03-2017, 02:35 PM | #246 | ||
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It must be my driving as my diesel merc would never get more that 33 mpg (average)
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03-04-2017, 05:04 AM | #247 |
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Only had it for 3-4 days so far, driving with a mixture of eco and sporty driving styles, current average is 19.6mpg. Not much long motorway driving though.
Sport plus with the comp pack and roof down is pop pop popp city!
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03-20-2017, 10:52 AM | #248 | |
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I have had the customer experience F80 M3 since March 7th so i can't really complain. That being said, this car makes the same noise. Strange
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03-20-2017, 03:58 PM | #249 |
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Only just noticed you were in TVP, I am there everyday Are you in TVP often?
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03-23-2017, 06:18 AM | #250 | |
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Anywhoo. Two new rear shock absorbers along with all the relevant hardware later and the car is FINALLY silent with no knocking when I drive along the road. I'm over the moon, literally makes the car 10x more enjoyable to me. Now to take it on some long drives
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03-24-2017, 06:15 PM | #251 | |
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How long did they need the car for? |
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03-26-2017, 01:20 PM | #252 | |
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Great facilities you guys have there, if you work for MS.
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03-26-2017, 01:28 PM | #253 |
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I now have what sounds like a death rattle from the rear of the car, tinny metallic clatter at low speed over ridges and bumps.
As well as the hollow knocking sound. Car is driving great though and seems to get quicker as the miles go on it still takes me back slightly with its power and low end shove. Will be getting a service in a few weeks time so I'll ask them to look at it, something must be noticeably loose to make that racket.
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03-27-2017, 08:40 AM | #256 |
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The car was with them for two weeks but BMW UK provided a like for like demo
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12-04-2017, 10:03 AM | #257 |
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I'm back again with this infuriating noise. It's been around since the summer but I've been drowning it out with music.
Fitted the winter tyres and it's noticeably louder. I'll need to get a video for a comparison but does nobody else have this same knocking from the passenger side rear? It drives me insane. Its a very loud clunk as soon as the rear goes over some uneven ground. Even makes the noise when the car travels over manhole covers that are flush with the tarmac. Incredibly strange When the noise came back after a couple months BMW UK told me that after time the suspension just makes this noise after it's run in. Complete BS as the car was doing it from new and also they would never have replaced the complete rear suspension unit if they knew it would be making the noise again. This is what they told the original dealer I purchased the car from. They are simply stating that the car is deemed roadworthy and therefore the noise shouldn't matter 5E121942 – complaint of knocking noise – rear shockers replaced to confirm that this was the source of the operational noise. Repairing retailer have side by side tested another with same mileage, model and suspension spec and the same noise generated.
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12-04-2017, 03:23 PM | #258 | |
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12-05-2017, 07:56 AM | #259 |
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I think I'm maybe too far into ownership at ~18 months. I have tried to call BMW but they won't speak to me, only the original purchasing dealer. Purchasing dealer advised by BMW car is tip top so theres nothing that the salesman can do either. ha ha
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