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      12-23-2018, 06:25 AM   #89
kingmonkey8
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Quote:
Originally Posted by agentorange View Post
I cannot help wondering if some of you have a genuine vibration whereas others are suffering the F30 drone. I have heard/felt that in two cars at almsot identical speeds. This guy fixed his drone in a novel way, and others have had to get the undertray pieces padded. https://f30.bimmerpost.com/forums/sh....php?t=1512190
Seen the video where the guy had the high speed drone and fixed the undertray. It is not the same kind of vibration noise.
The undertray is more of a buzzing sound. The drivetrain vibration/noise is a lower frequency level drone/hum.
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      12-24-2018, 08:51 AM   #90
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Originally Posted by kingmonkey8 View Post
I had a E46 for a number of years and that car felt solid, no real issues, car reliability was pretty much bullet proof.
Even the the replacement 428 I've got now is not perfect, just noticed a kind of low level whistling noise from the passenger side. Sounds like either the brakes are rubbing slightly or a noisy bearing. But it's not that noticeable and doesn't seem that major so not even going to bother with it for now.
The steering felt a bit loose and although the car did track straight I was having to make tiny adjustments to the steering. Also the adaptive suspension felt a bit soft and wallowy. Put more pressure in the tyres and it's driving much better now.
I managed to track down my previous car for sale and I believe it's been sold but I hope that they fixed the vibration issue and good luck to the new owner.
If it has been fixed I would still be curious to know what was fixed what the issue was that's been giving me so much grief for the last 4 yrs.
I thought the steering is a bit vague but it tightens up in sport mode. I'm not fretting about any of it too much since the car came with Conti run flats that will be going away when the weather warms up. I still have the staggered wheels/Michelin PS4s' to put on .
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      12-25-2018, 09:34 PM   #91
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Its the driveshaft, Ive had mine replaced.
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      04-16-2019, 01:53 PM   #92
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Oh crap, I think I might have this issue.

Really strange as it has started really suddenly, as people have said, starts around 80mph, gets worse as you approach 100mph (on a private road/track). Just had the rear tyres changed, I thought these were the culprit, will get these checked first, then see if I need to talk to BMW. I also have my winter wheels, so will swap these back on to see if the problem goes away.

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Last edited by IanW555; 04-16-2019 at 02:23 PM..
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      07-30-2019, 10:29 AM   #93
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Another sad one here.
Just got my f30 320i msport - a year old 08-2018, 25.000km. Same problem as above. Lower freq hum between 100 - 125kmh and afterwards turns to a vibration and as speed builds up so does the vibration. Tried tyre change, wheel alignment all that stuff wheel related. Nothing improved. Did anyone find the problem or the solution?

Thanks.
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      07-30-2019, 10:47 AM   #94
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^ same. Him/whistle type sound around 60ish mph then 82-95mph vibration. Tires were road force balanced and all weights taped with racing tape.
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      07-30-2019, 11:21 AM   #95
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Quote:
Originally Posted by Solidjake View Post
^ same. Him/whistle type sound around 60ish mph then 82-95mph vibration. Tires were road force balanced and all weights taped with racing tape.
The "whistle"-kind noise around 90kmh it's from the diff. I can live wiht that. But the vibration and hum are unacceptable. Still hoping someone found out what is what.

Thanks.
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      07-30-2019, 12:50 PM   #96
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Quote:
Originally Posted by alecalecu View Post
The "whistle"-kind noise around 90kmh it's from the diff. I can live wiht that. But the vibration and hum are unacceptable. Still hoping someone found out what is what.

Thanks.
Ah ok thank you. I had the fluid replaced about 6k miles ago and still there. I guess I'll live with it too. I'll most likely rebalanced wheels and my control arms up front are due for replacement. Hopefully those two things solve it. But of course I'll put the car in neutral when it vibrates to isolate the parts on the car
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      07-30-2019, 12:58 PM   #97
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Quote:
Originally Posted by alecalecu View Post
Another sad one here.
Just got my f30 320i msport - a year old 08-2018, 25.000km. Same problem as above. Lower freq hum between 100 - 125kmh and afterwards turns to a vibration and as speed builds up so does the vibration. Tried tyre change, wheel alignment all that stuff wheel related. Nothing improved. Did anyone find the problem or the solution?

Thanks.
B48M
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18 dunlop sport rt maxx
25.000 km
Oh dear. Sad to hear that these car's are still suffering from these problems.
I thought it was mainly affecting older 3/428 MT cars.
But to see it on newer 8AT cars as well...

Seems to be something related to the drive/prop shaft. I had mine changed under warranty and it seemed to work for a while but the issue came back. Whenever I took it to BMW they said it was the diff. I swapped out the diff, drive/prop shaft but the issue was still there.
I took it to several BMW specialist, no one could pinpoint the cause.
In the end I got rid of the car.
But I think it maybe something within the transfer case as I tried everything else.
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      07-31-2019, 03:34 AM   #98
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Quote:
Originally Posted by kingmonkey8 View Post
Quote:
Originally Posted by alecalecu View Post
Another sad one here.
Just got my f30 320i msport - a year old 08-2018, 25.000km. Same problem as above. Lower freq hum between 100 - 125kmh and afterwards turns to a vibration and as speed builds up so does the vibration. Tried tyre change, wheel alignment all that stuff wheel related. Nothing improved. Did anyone find the problem or the solution?

Thanks.
B48M
8AT
18 dunlop sport rt maxx
25.000 km
Oh dear. Sad to hear that these car's are still suffering from these problems.
I thought it was mainly affecting older 3/428 MT cars.
But to see it on newer 8AT cars as well...

Seems to be something related to the drive/prop shaft. I had mine changed under warranty and it seemed to work for a while but the issue came back. Whenever I took it to BMW they said it was the diff. I swapped out the diff, drive/prop shaft but the issue was still there.
I took it to several BMW specialist, no one could pinpoint the cause.
In the end I got rid of the car.
But I think it maybe something within the transfer case as I tried everything else.
I find this unbelievable. For sure this will be my last BMW ever.

It's a pitty that even this brand gave up on quality. The price should be cut in half I guess.

Thanks!
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      07-31-2019, 04:26 PM   #99
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new drive test - vibration gone

Dear colleagues,

the strangest thing happened today: did a drivetest with a good friend to show him the problem and we went on the newest highway around. All vibration gone!! I was speechless. Went up to 170kmh, nothing. The hum between 100 and 125 kmh still there but no vibration whatsoever. Nothing!
Yesterday I went on an old highway, the car was shaking like jelly at 170kmh. Very constant shake like a bent rim.

Only one conclusion comes out: the m sport suspension is so sensible that if the road is not perfect, the car vibrates a lot!

Any thoughts on this?

320i 2018
b48m
8at
m sport

cheers!
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      07-31-2019, 04:47 PM   #100
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Only vibration in my car is because of my straight pipe exhaust.
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      07-31-2019, 05:00 PM   #101
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Mine starts at 70mph. I can see my passenger seat headrest vibrating it's so bad. I've had the wheels and tires balanced and aligned at least twice, no change. Has to be steering rack or driveshaft right?
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      08-01-2019, 04:26 AM   #102
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Quote:
Originally Posted by alecalecu View Post
Dear colleagues,

the strangest thing happened today: did a drivetest with a good friend to show him the problem and we went on the newest highway around. All vibration gone!! I was speechless. Went up to 170kmh, nothing. The hum between 100 and 125 kmh still there but no vibration whatsoever. Nothing!
Yesterday I went on an old highway, the car was shaking like jelly at 170kmh. Very constant shake like a bent rim.

Only one conclusion comes out: the m sport suspension is so sensible that if the road is not perfect, the car vibrates a lot!

Any thoughts on this?
Trying to understand this... on a smooth road there is no vibration? That tells you there is nothing wrong mechanically with rotating parts. If there is a 'balance' fault, (wheels, drive shafts, etc.) would still show on a smooth road.

I suggest what you are feeling must be road induced. Whether simply what we feel on bad roads, or there are issues with the suspension causing the shaking like jelly, components like soft bushings or faulty dampers, not supressing road imperfections.
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      08-01-2019, 04:30 AM   #103
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Quote:
Originally Posted by mbanks21 View Post
Mine starts at 70mph. I can see my passenger seat headrest vibrating it's so bad. I've had the wheels and tires balanced and aligned at least twice, no change. Has to be steering rack or driveshaft right?
Have you tried a different wheel set, a set you know have no issues. You have to eliminate wheel issues which can be hidden from any balance, even a road force balance. The speed where the vibration occurs still indicates wheels could be at fault.
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      08-01-2019, 08:05 AM   #104
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Originally Posted by HighlandPete View Post
Have you tried a different wheel set, a set you know have no issues. You have to eliminate wheel issues which can be hidden from any balance, even a road force balance. The speed where the vibration occurs still indicates wheels could be at fault.
I have my stock 400M/Runflats I may need to try that
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      08-01-2019, 08:42 AM   #105
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Originally Posted by mbanks21 View Post
Mine starts at 70mph. I can see my passenger seat headrest vibrating it's so bad. I've had the wheels and tires balanced and aligned at least twice, no change. Has to be steering rack or driveshaft right?
If it's to do with the steering rack then you should feel it through the steering wheel. Can you tell where about's the vibration is coming from? Is it the front or back?

The first time I had it, when you reached above 90 mph, you could see the back wind screen going fuzzy in the rear view mirror due to the vibration.
After it was fixed the first time I wasn't getting a vibration even at high speed. It was more of a low level droning that was constant, almost like tyre rumble but was was always there even when you let off the accelerator pedal.
It could easily be mistaken for tyre noise on rough roads, but you could hear it better on smooth roads.
I swapped out brand new BMW wheels and tyres but it made no difference.
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      08-01-2019, 09:00 AM   #106
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Quote:
Originally Posted by alecalecu View Post
I find this unbelievable. For sure this will be my last BMW ever.

It's a pitty that even this brand gave up on quality. The price should be cut in half I guess.

Thanks!
The worst thing about it was BMW wouldn't acknowledge it as a common issue and tried to say it was something that I had done as I had tried to fix the problem. The issue started at 6k miles...
I don't trust BMW dealership technicians with their diagnoses anymore. They acknowledged that there was a vibration when they sat in the car but then said it was the diff when it wasn't.
I'm suprised a big car company like BMW doesn't have any specialist tools to attach to parts of the car that would easily show where the vibration is coming from. All they do is raise the car and spin the wheels, as the vibration only happens at high speed, they can't spin the wheels fast enough or under load to replicate the problem so are usually just guessing what they think it is.
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      08-01-2019, 09:07 AM   #107
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Quote:
Originally Posted by kingmonkey8 View Post
If it's to do with the steering rack then you should feel it through the steering wheel. Can you tell where about's the vibration is coming from? Is it the front or back?

The first time I had it, when you reached above 90 mph, you could see the back wind screen going fuzzy in the rear view mirror due to the vibration.
After it was fixed the first time I wasn't getting a vibration even at high speed. It was more of a low level droning that was constant, almost like tyre rumble but was was always there even when you let off the accelerator pedal.
It could easily be mistaken for tyre noise on rough roads, but you could hear it better on smooth roads.
I swapped out brand new BMW wheels and tyres but it made no difference.
Between 70-80 I can feel it in the steering wheel, stuff starts buzzing and vibrating on the inside of the car. Like I said my passenger seat headrest I could see going crazy like it was in a Tool video.
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      08-01-2019, 02:28 PM   #108
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2016 328i AT. High frequency vibration at 60+, so add me to the list. Yay.
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      08-02-2019, 06:17 AM   #109
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Yes that is correct. the car is ok, but still I find it really odd to feel the road so so bad when the pavement isn't perfect! probably the lowered msport suspension has this problem.
still the humm is there between 100 and 120kmh and also appears at exactly 155kmh, before and after all good. Still in doubt what to do.
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      08-02-2019, 06:51 AM   #110
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Quote:
Originally Posted by alecalecu View Post
Dear colleagues,

the strangest thing happened today: did a drivetest with a good friend to show him the problem and we went on the newest highway around. All vibration gone!! I was speechless. Went up to 170kmh, nothing. The hum between 100 and 125 kmh still there but no vibration whatsoever. Nothing!
Yesterday I went on an old highway, the car was shaking like jelly at 170kmh. Very constant shake like a bent rim.

Only one conclusion comes out: the m sport suspension is so sensible that if the road is not perfect, the car vibrates a lot!

Any thoughts on this?

320i 2018
b48m
8at
m sport

cheers!
If the car is smooth on a smooth highway, then I don't think you have a vibration issue. The M sport suspension is not that sensitive it will shake the car like you say. If the road is rough then you may feel the bumps in the road and get a lot of tyre roar. Maybe you have something loose or there is some play in your suspension?
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