Hi everyone. just recently i have noticed 2 issued with my car.

What is your question?

1. when the speed goes above 60mph, the front of the car starts to vibrate. i can also feel vibration beneath the car. i even got the balance and rotation test done recently. but one month after the test i have this issue that came up.what could be the reason for this vibration. 2. the other issue is when i start the car, the rpm needle goes close to zero and i fell jerks in the car as if its going to stop. please reply Thanks

kody916 in Willowbrook IL

Jun 8, 2014

1 Reply

Popular Answer

ziptie12on Jun 8, 2014

#1) Weight may have come off a wheel since balanced. May have bent rim that was unnoticed at initial balancing , causing a wheel/tire to be out-of-balance sooner than expected. May have weak suspension component(s). Defective/ poor wear on tire(s).---#2 Has the check engine light come on at all?...Please reply. Thanks.

kody916on Jun 8, 2014

Thanks a lot for ur reply. I really appreciate. 1. yes my right wheel has a slight bent in it.thats wht discount tires told me when i did the balance and rotation test. 2. yes the check engine light is on. in fact it has been on for more than 6 months now. the catalytic converter needs replacement.but the dealer told me that you can drive your car like that and not replace the catalytic converter. he also told me that it wont affect my vehicle drastically.just that mileage will be dropped by 2-3 miles. kindly tell me what should i do. Thanks

ziptie12on Jun 8, 2014

I'd suggest a new rim and possibly at least 2 (same axle) new tires if tread is less than 5/32" , hopefully that would solve the vibration problem. As far as the dealers opinion on the converter...........without knowing the exact reason for the code ,I would say that it would be in your best interest to replace it and get that light off.I would expect their diagnosis to be correct , but at the same time , if some other problem occurs , you will not know because the light is already on.....possibly leading to an engine , rather than a converter. Which is less expensive? (It's a Bimmer I can't say 'cheaper' , right?)

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