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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Vibrations at High Speeds



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      06-19-2014, 11:43 AM   #1
shadowx360
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Vibrations at High Speeds

Hey, I do a lot of DIY and maintenance on my cars, but unfortunately, I'm no good at chassis/suspension problems so I figured I'd ask you guys.

I ran into a curb at a very high speed the other night while turning left (dark/wet conditions, brakes were very faded from a bedding procedure). Both front rims were warped, both tires had chunks missing. Afterwards, I noticed a vibration that I can feel in the steering wheel, the accelerator pedal, as well as the floor of the vehicle. I can hear a very faint grinding/low sound from underneath the car as well. I've had the rims and tires all replaced, and as I stated, the brakes were brand new before this so I don't think those are the problem. Had high speed and road force balancing done on the wheels and alignment done on the best Hunter machines but the vibrations are still there.

The vibrations start every time I hit 60-65 mph, continues up to any higher speeds, and braking does not affect the vibrations (but dropping to 55 mph or below does kill the vibrations). I noticed that turning my steering wheel about 20+ degrees to the right stops the vibrations as well.

Can anyone give me a diagnosis on this problem? I'm thinking control arms or tie rods but I don't know damage to which side would fit the symptoms regarding the steering.

Thanks in advance.

EDIT: Should add that the grinding noise isn't continuous. It grinds for 2 seconds, pauses for 1 second, repeat.

Last edited by shadowx360; 06-19-2014 at 12:00 PM..
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      06-19-2014, 11:47 AM   #2
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might also be a wheel bearing. but any hard impact like that would most definitely bend the control arms and damage bushings also.
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      06-19-2014, 11:50 AM   #3
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Quote:
Originally Posted by mike-y View Post
might also be a wheel bearing. but any hard impact like that would most definitely bend the control arms and damage bushings also.
Do the symptoms of only above 60 mph and angles point to any of the above, specifically? I don't really want to go down the route of replacing each component one at a time to find out, especially since it's my daily driver.

EDIT: Should add that the grinding noise isn't continuous. It grinds for 2 seconds, pauses for 1 second, repeat.

Last edited by shadowx360; 06-19-2014 at 12:00 PM..
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      06-19-2014, 03:40 PM   #4
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i didn't hit anything but i'm in the same predicament as you; check out my thread here with some more replies: http://www.e90post.com/forums/showthread.php?t=998134
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      06-19-2014, 04:03 PM   #5
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Vibration is usually caused by one of the following
Bent rim
warped rotors
control arms or bushings.

Since you hit a curb I would rule out the control arms. Most likely your issue is a bent rim since you had that looked at then your problem would probably be with the lower control arm.
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      07-03-2014, 11:57 AM   #6
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Quote:
Originally Posted by Delta0311 View Post
Most likely your issue is a bent rim since you had that looked at then your problem would probably be with the lower control arm.
Since the vibrations stop when the steering wheel is turned a few degrees to the right, does that point at which side's control arm needs to be replaced?

Thanks.
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      07-03-2014, 11:57 AM   #7
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Quote:
Originally Posted by shadowx360 View Post
Since the vibrations stop when the steering wheel is turned a few degrees to the right, does that point at which side's control arm needs to be replaced?

Thanks.
I'm not sure but you mind as well do them both.
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      07-03-2014, 12:00 PM   #8
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Quote:
Originally Posted by Delta0311 View Post
I'm not sure but you mind as well do them both.
Thanks for the advice. I originally thought it would be the wheel bearings due to the vibrations only coming on around 60 mph, but would the angle of the steering support or discredit that idea? I really appreciate your feedback.

EDIT: Noob question, but is the control arms you are referring to #9 or #14 on this diagram?

Last edited by shadowx360; 07-03-2014 at 12:06 PM..
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      07-03-2014, 12:09 PM   #9
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Quote:
Originally Posted by shadowx360 View Post
Thanks for the advice. I originally thought it would be the wheel bearings due to the vibrations only coming on around 60 mph, but would the angle of the steering support or discredit that idea? I really appreciate your feedback.
I had the same issue and at first (everything under warranty) BMW replaced my pads and rotors. They looked at my wheels and one of them had a slight bent thanks to NJ winter roads, and the wonderful maintenance done on them. Come May I had my rims swapped out and still had the issue. Then in mid-June I got them to replace the control arms and no more vibration.
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      07-03-2014, 12:20 PM   #10
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Quote:
Originally Posted by shadowx360 View Post
Thanks for the advice. I originally thought it would be the wheel bearings due to the vibrations only coming on around 60 mph, but would the angle of the steering support or discredit that idea? I really appreciate your feedback.

EDIT: Noob question, but is the control arms you are referring to #9 or #14 on this diagram?
It's 9.

http://www.turnermotorsport.com/p-23...FQxp7AodfEUAYA

Another way to tell if they are fucked is to slam the breaks. Drive at about 10MPH and have someone watch you. Then slam the brakes in front of them and have them see if your front wheels shake.
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      07-03-2014, 03:46 PM   #11
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My symptoms were similar and mine was a wheel bearing.

My car had some sort of impact before I got it. I didn't feel anything during test drive but I wasn't as in tune with the car then. A few weeks into ownership I realized the wheel was bent.

Just two days ago, after months of tying to figure it the vibration, my dealer replaced the wheel bearing/hub under CPO and all is well. I have a thread in this forum about it.
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      07-07-2014, 10:13 AM   #12
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Quote:
Originally Posted by Delta0311 View Post
It's 9.

http://www.turnermotorsport.com/p-23...FQxp7AodfEUAYA

Another way to tell if they are fucked is to slam the breaks. Drive at about 10MPH and have someone watch you. Then slam the brakes in front of them and have them see if your front wheels shake.

I second the thrust rod bushing(Control arm Bushing), mine did the same thing.. once i hit 70 my car starts the subtle hum/vibration anything under it drove perfectly fine.
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      07-09-2014, 05:59 AM   #13
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My thrust arm bushings are going bad as well. Dealer pointed them out to me on my last maintenance visit awhile back. Do you guys think this would be ok to drive on a road trip? Or definitely not? driving about 550 miles one way, so around 1100 miles round trip.
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      07-09-2014, 06:41 AM   #14
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Quote:
Originally Posted by thejackyltm View Post
My thrust arm bushings are going bad as well. Dealer pointed them out to me on my last maintenance visit awhile back. Do you guys think this would be ok to drive on a road trip? Or definitely not? driving about 550 miles one way, so around 1100 miles round trip.
I've put over a thousand miles on my car since that happened.
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      07-09-2014, 04:10 PM   #15
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Quote:
Originally Posted by Agentphish View Post
My symptoms were similar and mine was a wheel bearing.

My car had some sort of impact before I got it. I didn't feel anything during test drive but I wasn't as in tune with the car then. A few weeks into ownership I realized the wheel was bent.

Just two days ago, after months of tying to figure it the vibration, my dealer replaced the wheel bearing/hub under CPO and all is well. I have a thread in this forum about it.
CPO covers wheel bearing/hub? How much did you had to pay?
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      07-09-2014, 05:04 PM   #16
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Quote:
Originally Posted by Prissy
Quote:
Originally Posted by Agentphish View Post
My symptoms were similar and mine was a wheel bearing.

My car had some sort of impact before I got it. I didn't feel anything during test drive but I wasn't as in tune with the car then. A few weeks into ownership I realized the wheel was bent.

Just two days ago, after months of tying to figure it the vibration, my dealer replaced the wheel bearing/hub under CPO and all is well. I have a thread in this forum about it.
CPO covers wheel bearing/hub? How much did you had to pay?
Yes it was covered for me.

I didn't pay anything. A wheel bearing really shouldn't be failing at 56k miles. I've had cars go well over 100k and never need them replaced.

Also the car was CPO'd and had the issue when I got it. I just didn't know it wasn't normal until later and it got worse over time.
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      11-17-2020, 03:14 PM   #17
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Hey guys,

I currently own a 2012 328i xDrive coupe. I recently replaced the steering rack boot, tie rods, ball joints, sway bar links, control arms, and tension struts recently..

I also got my passenger side rims fixed because they were bent.

Heres my problem:

When driving between 65-85, my front wheels seem to vibrate/rumble.

Going 65-75 it’s barely noticable, and then once you reach 80+ it starts to rumble in the front.

Any suggestions?
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      02-13-2021, 05:17 PM   #18
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Quote:
Originally Posted by acioce98 View Post
Hey guys,

I currently own a 2012 328i xDrive coupe. I recently replaced the steering rack boot, tie rods, ball joints, sway bar links, control arms, and tension struts recently..

I also got my passenger side rims fixed because they were bent.

Heres my problem:

When driving between 65-85, my front wheels seem to vibrate/rumble.

Going 65-75 it’s barely noticable, and then once you reach 80+ it starts to rumble in the front.

Any suggestions?
Possible, cause of vibration is disbalance wheels. I had such problem on Passat. Vibration was from front right wheel between 75-90
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