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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Weird Shaking....



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      06-26-2011, 08:40 PM   #1
RWBermudez
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Weird Shaking....

So I have had my '07 e92 335i for about 6 months now and I am seeing this crazy shaking in the rear end of the car. So here are the symptoms:

1. While cruising between 40-60 mph I feel a shake that slowly creeps up.
2. Once it actually starts to shake it takes about 5-10 minutes to go away.
3. I believe that it is in the front end because I don't get any steering wheel vibration.
4. I don't think the wheels are out of balance because I can be cruising on a smooth road at 60 and it is good and then it slowly starts creeping up. Starts with a slow thump thump thump and then get strong enough to shake my car keys.
5. I put the car on the ramps and all is good
6. I re torqued the bolts for the wheels.
7. It only happens when I am cruising at the same speed. In stop and go traffic around town (45-55 mph) it does not happen.
8. The car does not pull either left or right. While it is thumping I have actually taken my hands off the steering wheel and no pull left or right.


Weird HUH!!!!!

I need help, ASAP! It is starting to worry me. I would hate to be stuck on the side of the road for something strange.

Randy
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      06-26-2011, 09:22 PM   #2
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did you recently put on spacers?

I had real bad vibration going on 40-50 mph when i had a spacer that wasnt nested correctly on the hub.
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      06-26-2011, 09:31 PM   #3
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No spacers. It did it with the stock 189's and now with the new Bremmer Kraft's. But it seems to be getting worse week after week.
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      06-26-2011, 10:29 PM   #4
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Drive shaft problem maybe? BMWs like to eat center support bearings. But then again it would vibrate at low speeds as well.
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      06-26-2011, 10:51 PM   #5
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Quote:
Originally Posted by RWBermudez View Post
No spacers. It did it with the stock 189's and now with the new Bremmer Kraft's. But it seems to be getting worse week after week.
If it was an audi, I'd say hub centric rings. Maybe BMW is the same
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      06-27-2011, 05:32 PM   #6
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Quote:
Originally Posted by quattrosaint View Post
If it was an audi, I'd say hub centric rings. Maybe BMW is the same
That's what I ama leaning toward. I drove it today to work and no problem. I will take a crack at it this weekend. Imma pull off the wheels and inspect everything I can.

Wish me luck folks.
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      07-27-2011, 03:37 PM   #7
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Did you hit a severe pothole recently, are your rear tyres balanced , Do you have a bent or out of round rims that need to be repaired , do you hear a humming like a bad wheel bearing ?

If you don't feel steering wheel vibration in my own opinion there must be nothing wrong in the front.
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      10-27-2011, 05:20 PM   #8
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Did you ever resolve this? I have a similar problem, albeit an order of magnitude worse.
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      10-27-2011, 07:11 PM   #9
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I had a sever shaking when I went over 50 mph and it ended up bring a cracked and broken rim , did u check them ? I hate potholes
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      10-31-2011, 12:35 PM   #10
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Quote:
Originally Posted by Bee turbo 335 View Post
I had a sever shaking when I went over 50 mph and it ended up bring a cracked and broken rim , did u check them ? I hate potholes
They figure that out when you had the wheels re-balanced? I have a similar shake (very slight but I notice) at 50mph, all wheels road force balance fine (3 times). Thinking it might be a drive shaft out of balance or possibly a front wheel bearing going.
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