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      05-29-2019, 04:20 AM   #1
Jimbob1302
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Vibrations only between 70mph - 80mph

Hi all,

A puzzler.

My 2010 525d F10 has bad vibrations only between 70 - 80mph on the motorway.

Anything below 70mph and it’s smooth and anything above 80mph and it’s smooth.

Vibrations are in the footwell and seat, not the steering wheel.

The vibrations started some time ago. All wheels / tyres balanced up, must be over 20 times all in all.

I even went as far as replacing all 4 tyres.
Still the same.

When on the balancing machines the wheels are all fully balanced before putting back on my car.

BMW dealer have said it will need to be trial and error now to try find the issue by replacing certain things.

I put a post up a couple of weeks ago as was thinking of changing wheels to see if it’s the wheels or not, but that will cost be in excess of 1.5k so would rather avoid.

Any suggestions?

Thanks very much,
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      05-29-2019, 08:07 AM   #2
BurrNinja
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Quote:
Originally Posted by Jimbob1302 View Post
Hi all,

A puzzler.

My 2010 525d F10 has bad vibrations only between 70 - 80mph on the motorway.

Anything below 70mph and it’s smooth and anything above 80mph and it’s smooth.

Vibrations are in the footwell and seat, not the steering wheel.

The vibrations started some time ago. All wheels / tyres balanced up, must be over 20 times all in all.

I even went as far as replacing all 4 tyres.
Still the same.

When on the balancing machines the wheels are all fully balanced before putting back on my car.

BMW dealer have said it will need to be trial and error now to try find the issue by replacing certain things.

I put a post up a couple of weeks ago as was thinking of changing wheels to see if it’s the wheels or not, but that will cost be in excess of 1.5k so would rather avoid.

Any suggestions?

Thanks very much,
Another user mentioned the drive shaft center support bearing in a different post which makes sense. I have same issue except when I had my wheels balanced the vibrations were not as bad. Have the driveshaft support bearing checked.
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      05-29-2019, 10:28 AM   #3
Dhruv25
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Hello,

I have had this issue on my car on similar speeds when I bought it first.

Fortunately for me, when I bought the car a year old from Sytner, it was under warranty and I kept ringing till the issue was rectified.

So long story short, after trying various trial and error and all sorts of wheel balancing and alignment, even new tyres nothing worked.

Finally, they tried new set of wheels on front and rear. After trying new wheels at the rear there were no vibrations. As the car was under warranty, Sytner had to replace the 2 rear wheels and the vibration was rectified.

If there's any chance of you trying a different set of wheels on the car and see if there is any difference before spending so much money on new set of wheels.

Hope this helps.
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      05-30-2019, 03:20 PM   #4
Jimbob1302
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Mileage is 91k so nothing really for an almost 9 year old car.
Hi

Thanks for the advice. I’m going to book it into a bmw specialist garage rather than main dealer and see what they come up with.

I’ll of course mention your suggestions
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      05-30-2019, 03:21 PM   #5
Jimbob1302
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Mileage is 91k so nothing really for an almost 9 year old car.

Thanks for the advice. I’m going to book it into a bmw specialist garage rather than main dealer and see what they come up with.

I’ll of course mention your suggestions
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      06-15-2019, 04:20 PM   #6
F10_kieran
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Hi mate I had the same problem turned out to be a Buckled wheel
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      06-18-2019, 08:52 AM   #7
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Quote:
Originally Posted by F10_kieran View Post
Hi mate I had the same problem turned out to be a Buckled wheel
Same here. I had similar vibrations as per the OP top post. No vibration below that or above it and it occurred in the 60 - 80mph range and was always present but especially so on certain road surfaces. Had all four wheels refurbed at Speedy's Wheels two weeks ago and all OK since then and problem gone.

I put up with this problem for two years and it spoils the car on the motorway and makes driving tiring. Regular replacement of tyres didn't fix it. Nor did Hunter wheel alignment. No leaking joints or suspension and the cart has been successfully MOT'd twice since then. Almost certainly I did it when I banged a curb quite heavily in the dark when turning right one night. The run flat tyres transmit the force of the clout into the alloy since the tyre is steel-walled and has very little give to absorb the force. It only needs to deform the wheel a very small, almost imperceptible amount and you will feel the vibration at speed.

I'd suggest after any significant clout you get the wheel that hit thoroughly checked out.
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Last edited by shiner; 06-18-2019 at 08:58 AM..
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      07-14-2019, 04:50 AM   #8
Fox530
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I suffered with this from the day I bought my car at 11 months old and 5k miles until about 6 months ago. It was subtle but annoying and drove me mad - sometimes the dealer agreed it was there, sometimes they didn't.

Had all 4 wheels road force balanced - didnt help. Replaced rear tyres - didn't help. Replaced front tyres - helped a bit. Had them all road force balanced again. Suddenly, it was almost fine. Replaced rear tyres - now perfect.

I still don't really know what has fixed it, but it's like driving a different car.

I think the problem all a long was a combination of tyres and people who can't balance wheels properly.
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      07-18-2019, 03:04 AM   #9
shiner
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What do you mean by "force balancing" ???
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      07-18-2019, 06:04 AM   #10
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Quote:
Originally Posted by shiner View Post
What do you mean by "force balancing" ???
Hunter road force balancing is a more advanced wheel balancing system. An additional roller is run against the tyre to collect more data from how the tyre performs under a dynamic load. Identifies high/low spots, run-out and other irregularities. Often more extreme tolerances, not identified from a standard wheel balance can be reduced, (or totally corrected), by repositioning the tyre on the rim and rebalancing. Can also identify faulty tyres which will never run smoothly, even if a normal balance appears fine.
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      02-06-2020, 04:23 AM   #11
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I had similar issue turned out to be a bulge in my runflat sidewall. bulge burst and replaced the tyre, no more vibrations. Wish i had of done it 6000 miles before. lol
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