recently had the thrust arms on both driver and passenger side replaced along with front and rear suspension... also new tires. All Parts were OE...

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Customer

recently had the thrust arms on both driver and passenger side replaced along with front and rear suspension... also new tires. All Parts were OE replacements. My car has a wobble/shake to it. Tires are balanced. Need help. 2013 328ixdrive

Last updated
Relly De Jesus
BMW Mechanic

Hello and welcome to ExpertHelp.com! My name is Relly De Jesus and I'm going to do everything in my power to answer your question to your full satisfaction!

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Customer

Hello.  Yes I'm ready to go

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Relly De Jesus
BMW Mechanic

Good to hear back from you James. Can you feel the wobble when braking or when you are reaching a certain speed?

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Customer

It comes on right about 35-40 miles an hour and is the most pronounced at about 60mph.  The complete story is this.  I moved to a fairly remote place last year, no dealers within 3 hours.  I took the car to the local tire and suspension shop for new tires and asked if they had ever done suspension on a BMW.  They said yes, but they don't like to find the parts.  I ordered all original equipment parts from FCP Euro based on the car's VIN.  So they did new Continental tires (factory originals), then put on the thrust arms and suspension.  They tried re-balancing the tires, even road force balanced them.  There is still a slight shake to the car.  

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Relly De Jesus
BMW Mechanic

Ok James... May I ask if there's a computerized wheel alignment on that shop?

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Customer

Yes they have all Hunter Equipment

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Customer

They also did a four wheel alignment as part of the job.

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Relly De Jesus
BMW Mechanic

Ok James... I'm assuming that the parts you provided are installed properly. Did you notice if there's something unusual with the brake rotors? It may be warped a little which can cause it to wobble at certain speeds

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Customer

Rotors are brand new and were done before I moved by BMW.... didn't have any issues with shake/wobble until I had the suspension done.  Is it possible the parts were installed incorrectly?  When they were doing the tires they found a small crack in one of the rims so they sourced a like kind rim from the salvage network.  Does that matter?  

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Relly De Jesus
BMW Mechanic

Thank you for that additional information James. When you checked the parts you ordered... are they identical in every way? 

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Customer

I gave FCP Euro the VIN of the car to ensure that I received the correct original equipment parts.  I have to believe the parts are correct.. 

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Relly De Jesus
BMW Mechanic

Ok... there was no shake not before you have it all replaced. If they are using a high speed wheel balancer I will assume that the replaced rim is in good condition even they got it from the yard. The installation may be proper or not. Assuming that the procedure done is proper, there can be some other parts that will require replacement because the car is lifted to it's normal stance and other bushings or components that has been squeezed for a long time will have a little space to play with when driving which can cause it to vibrate or wobble. Assuming that the procedure is done wrong is if they checked the bushings has no play. So they will need to find what's causing it James. They can check the wheel bearing, the bracket of rack and pinion, stabilizer bushings and engine supports if needed

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Relly De Jesus
BMW Mechanic

You got my message James?

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Relly De Jesus
BMW Mechanic

Is there anything else I can add or help you with James? I'll be standing by for your response. Thank you and have a good one!

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Customer

Sorry had to step out quick.. i'm back.. stand by let me read your response

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Relly De Jesus
BMW Mechanic

No worries James

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Relly De Jesus
BMW Mechanic

I'll be standing by for your response. Thank you

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Customer

if there was no shake before we did the repairs, what is the most likely cause?  

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Relly De Jesus
BMW Mechanic

If it's before the repair I will suspect the balljoints, brake rotors, tires and rims, underchassis bushings, faulty suspensions and the bracket of the rack and pinion James

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Relly De Jesus
BMW Mechanic

I'll be standing by for your response James. Thank you

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Customer

the shaking started after the repairs.  So ball joints, rotors, tires, suspension, everything is new.. 

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Relly De Jesus
BMW Mechanic

Yes.... so it's either there is something wrong in the installation or after the suspension replacement the car is lifted higher than the usual and some old pressed rubber bushings may already have a play that's why it wobbles. Unlike before the replacement of the old suspension which may sit a little low and with the pressed rubber bushings there will be zero space to play that's why it will not wobble. 

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Customer

All bushings were replaced.  Is it possible to have that vibration if the car is sitting up higher?  Can the stock shocks/struts be adjusted?

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Relly De Jesus
BMW Mechanic

Yes it's possible that's why it vibrates. If it has coil overs sleeves like this and yes it can be adjusted but the stock shocks can't be. 

But some people modifies their stock suspension by cutting the shaft and rethreading it for it to sit low. But it might void the warranty just incase that the problem is on the shock absorber itself. Be adviced that even new products may have a factory defect

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Relly De Jesus
BMW Mechanic

How bout the motor mounts  James? Any history of replacement?

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Customer

it's all stock springs, shocks and struts.  No motor mount replacements... ever.  I've owned the car since new.  Everything was fine before repairs I just needed to do the thrust arms b/c the ball joint bushings had deteriorated..  when suspension is replaced is there no way to adjust the ride?

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Relly De Jesus
BMW Mechanic

If you can feel that it wobbles by holding the steering wheel when driving at certain speed then the replaced parts should have corrected it. But if somehow you can feel it coming from the body then it has to be the motor mounts. Sometimes it's as simple as tire pressure James but I doubt that they overlooked that. No way to adjust the height not unless it sits on coilovers 

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Customer

There was zero wobble before the new parts.   The new parts and tires went on, then the wobble occurs.  Speed effects it.. the faster you go the more you notice it.  

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Relly De Jesus
BMW Mechanic

Actually feeling that wobble on 40mph is kinda odd. Usually you can feel in on higher speeds. In 40mph range I am suspecting a little off on the alignment and balancing if all the parts are installed properly. By the way, what did the shop told you when you reported it to them?

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Customer

the shop told me im just feeling the small ripples in the road ..  which is not accurate.  The higher speeds is when you feel it.. but once you get to 40 you can kind of sense something isn't right... but definitely its the higher speeds when you feel it

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Relly De Jesus
BMW Mechanic

Do you know where was the replaced rim installed in the car?

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Relly De Jesus
BMW Mechanic

Try to put the 2 front rim and tyres to the rear and the rear to the front. See if it will make a difference James

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Customer

Yes the rim they replaced is on the back passenger side.  

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Relly De Jesus
BMW Mechanic

Try swapping the front and rear tires and see if it will make a difference. 

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Relly De Jesus
BMW Mechanic

Hello James

Any update? I'll be standing by for your response

Thank you

Relly

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Relly De Jesus
BMW Mechanic

Hello James

How are you doing? Have you tried my suggestion? I'll be standing by for your response.

Thank you

Relly

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Customer

Thank You.  I haven't had time to try swapping the wheels around.  I don't have the tools to do it either. 

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Relly De Jesus
BMW Mechanic

Is the shop far from your place James?

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Customer

The shop is not far, however, we are not on speaking terms due to their lack of wanting to try and fix the car correctly.  

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Relly De Jesus
BMW Mechanic

Ok now I get it James and I fully understand. Any more shop near you that may do it?

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Customer

I am taking it to another shop next week Tuesday and having them try to diagnose it. 

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Relly De Jesus
BMW Mechanic

That will be great James and I strongly believe that it will be resolved by then. It really needs a physical check up to correct everything. After that you will know what the other shop done wrong. I hope you find my assistance helpful James

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Relly De Jesus
BMW Mechanic

If there were a short cut to correct this I would tell you but it really needs a physical check up

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Relly De Jesus
BMW Mechanic

Hello James 

How are you doing? May I ask if there's any feedback from the shop aside from what I listed that might be wrong. I'll be standing by for your response. Have a good one!

Relly

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Relly De Jesus
BMW Mechanic

Hello James 

How are you doing? May I ask if there's any feedback from the shop aside from what I listed that might be wrong. I'll be standing by for your response. Have a good one!

Relly

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Relly De Jesus
BMW Mechanic

Hi James!

Hope everything is well. May I ask if you have brought the car to the new shop? 

I'll be standing by for your response

Thank you

Relly

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Relly De Jesus
BMW Mechanic

Hello James 

How are you doing? May I ask if there's any feedback from the shop aside from what I listed that might be wrong. I'll be standing by for your response. Have a good one!

Relly

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Relly De Jesus
BMW Mechanic

Hi James

How's it going? The car is all good now? I'll be standing by for your response

Thank you

Relly

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Relly De Jesus
BMW Mechanic

Hello James!

How are you doing? This is just a follow up regarding your car issue. Is there anything else I can add or help you with? I will be standing by for your response.

Thank you and have a good one!

Relly

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