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
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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
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Good to hear back from you James. Can you feel the wobble when braking or when you are reaching a certain speed?
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.
Ok James... May I ask if there's a computerized wheel alignment on that shop?
Yes they have all Hunter Equipment
They also did a four wheel alignment as part of the job.
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
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?
Thank you for that additional information James. When you checked the parts you ordered... are they identical in every way?
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..
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
You got my message James?
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!
Sorry had to step out quick.. i'm back.. stand by let me read your response
No worries James
I'll be standing by for your response. Thank you
if there was no shake before we did the repairs, what is the most likely cause?
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
I'll be standing by for your response James. Thank you
the shaking started after the repairs. So ball joints, rotors, tires, suspension, everything is new..
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.
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?
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
How bout the motor mounts James? Any history of replacement?
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?
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
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.
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?
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
Do you know where was the replaced rim installed in the car?
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
Yes the rim they replaced is on the back passenger side.
Try swapping the front and rear tires and see if it will make a difference.
Hello James
Any update? I'll be standing by for your response
Thank you
Relly
Hello James
How are you doing? Have you tried my suggestion? I'll be standing by for your response.
Thank you
Relly
Thank You. I haven't had time to try swapping the wheels around. I don't have the tools to do it either.
Is the shop far from your place James?
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.
Ok now I get it James and I fully understand. Any more shop near you that may do it?
I am taking it to another shop next week Tuesday and having them try to diagnose it.
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
If there were a short cut to correct this I would tell you but it really needs a physical check up
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
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
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
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
Hi James
How's it going? The car is all good now? I'll be standing by for your response
Thank you
Relly
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
Kevin
BMW Mechanic
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