Quote:
Originally Posted by Jimbob1302
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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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.