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BMW 5-Series (G30) Forum Wheels | Tires | Suspension | Brakes | Chassis 2018 540 D xDrive Resonating sound at speed.

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      05-01-2019, 10:38 AM   #1
THEX5BEAST
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2018 540 D xDrive Resonating sound at speed.

This is a new garage queen for us. Sits next to the X5. I've noticed a resonant sound (humming like a ghost might) mainly at speeds over 70. It came with Goodyears on 19" Msport rims. The car has every option BMW offers, DHP included if it matters. Dealership can't isolate it but does recognize the problem and has documented it with corporate. Doesn't feel its wheel bearings. I lean towards these Goodyear ROF's as the culprit. A Michelin guy myself. Anyone else with a G30 having this problem? It has 3,500 miles on it. Love the car otherwise.
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      05-01-2019, 10:03 PM   #2
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Quote:
Originally Posted by THEX5BEAST View Post
This is a new garage queen for us. Sits next to the X5. I've noticed a resonant sound (humming like a ghost might) mainly at speeds over 70. It came with Goodyears on 19" Msport rims. The car has every option BMW offers, DHP included if it matters. Dealership can't isolate it but does recognize the problem and has documented it with corporate. Doesn't feel its wheel bearings. I lean towards these Goodyear ROF's as the culprit. A Michelin guy myself. Anyone else with a G30 having this problem? It has 3,500 miles on it. Love the car otherwise.
try mounting other wheels from dealership or if you have someone with similar car and test it....
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      05-02-2019, 03:30 PM   #3
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Originally Posted by aadum View Post
try mounting other wheels from dealership or if you have someone with similar car and test it....
Thanks for the suggestion. The dealership did just that (so they claim) with three different cars with three different tire brands. The foreman did say the michelins did reduce the sound slightly. Not sure I'm ready to trash brand new Goodyears to give it a try yet......Took it for another long country drive without any destination in mind today. Such a pleasure to drive (even with the odd humming). This is my 12th BMW and by far the best.
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      05-14-2020, 08:00 AM   #4
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Quote:
Originally Posted by THEX5BEAST View Post
Thanks for the suggestion. The dealership did just that (so they claim) with three different cars with three different tire brands. The foreman did say the michelins did reduce the sound slightly. Not sure I'm ready to trash brand new Goodyears to give it a try yet......Took it for another long country drive without any destination in mind today. Such a pleasure to drive (even with the odd humming). This is my 12th BMW and by far the best.
Problem still exists. Have about 8,000 miles on her now. Swapped out the Goodyear ROF's for Michelin PS4's NRF. Problem still exists. Complaint was sent to corporate w/o a response in about a year. Poor service considering that this is my 11th BMW. Car rides much better on the PS4's but the sound is ever present at the same speed range. Drove a 530 loaner today. Smooth and quiet. Wonder if its in the x Drive? diff fluid low? had 3 alignments preformed just to rule it out. Absolutely love the car other than........ any suggestions?
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      05-18-2020, 04:09 AM   #5
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Quote:
Originally Posted by THEX5BEAST View Post
This is a new garage queen for us. Sits next to the X5. I've noticed a resonant sound (humming like a ghost might) mainly at speeds over 70. It came with Goodyears on 19" Msport rims. The car has every option BMW offers, DHP included if it matters. Dealership can't isolate it but does recognize the problem and has documented it with corporate. Doesn't feel its wheel bearings. I lean towards these Goodyear ROF's as the culprit. A Michelin guy myself. Anyone else with a G30 having this problem? It has 3,500 miles on it. Love the car otherwise.
I can second you with his, I have the same sound issue on my 540i xdrive, while driving over 60mph. I have a 20inch setup with extreme contact dws06, and have ran it with goodyears before. Dealer cannot isolate the problem as well.
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      05-19-2020, 09:56 AM   #6
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Does the noise change with the RPM under the load ( transmission engaged ) ?
Mine does that and is 100 % fuel pump ,
I also reed someone have noise from oil pump .
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      01-24-2021, 06:40 PM   #7
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Anyone have any updates on this? I've just bought a 2017 540i xdrive with 19" Goodyear Eagle Sport AS Runflats, and I've got a howl between 78mph and 84mph. Sounds like a tire or wheel bearing.
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      01-27-2021, 02:46 PM   #8
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Quote:
Does the noise change with the RPM under the load ( transmission engaged ) ?
Mine does that and is 100 % fuel pump ,
I also reed someone have noise from oil pump .
Mine does not change at all. If you downshift into 5th or 6th it still does it, and also does it going up hill or coasting downhill. On mine the peak sound is centered around 80mph and you can just barely hear it at 75 and 85. It basically screws up any travel where the speed limit is 70 or 75 because the flow of traffic is centered on 80.

I'd describe it as a higher pitched howl or a lower pitched whine.
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      04-11-2021, 12:10 PM   #9
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Resonating/howling sound

Still have the sound. More noticeable at higher speeds but once identified its pretty much all speeds. Have a little less that 10k on her now. Replaced the GY RF's with PS4's. Still there. Dealership claims its the diesel whine. I've owned 4 diesels and three with Xdrive. None of the others had/have this issue. I've had her aligned 3 times to different specs as well. No difference. 540d x drive m sport with 19"' square setup OE rims. Loving the car other than.........
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      06-13-2021, 01:25 PM   #10
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Has anyone had any luck getting a resolution?

I have the same booming/droning resonance noise on a 2021 G31 540i on 19" non-runflats. It's very noticeable from 25mph, but this low frequency resonance increases and becomes physically unpleasant at motorway speeds.

I've owned several 5 series from new, always M suspension, some with runflats and some not - so I'm very familiar with how they ride and sound, but they've been practically silent in comparison to this. It's such a shame because in every other respect the car is fabulous.

I noticed that there's a thread with what sounds like the exact same problem as mine on X5s and they now have tuned 'vibration absorbers' fitted to the front suspension to resolve it. There's a video here and pictures of the parts fitted to dampen the noise (long thread, but worth reading if you have this issue): https://g05.bimmerpost.com/forums/sh....php?t=1698738

I just wondered if anyone has managed to get a satisfactory solution or outcome on G30/G31?

Thanks
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