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installed 19" & 20" rims on E60

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Old 07-27-2010, 01:01 PM
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guys i need your help.
I have insalled 235 35 19 on 8.5 rims and 285 30 20 on 10" rims.
now when i drive I start shacking from rear when i go above 70kms. i balance my tires twice and came out to zero.
did someone else got the same problem as well.? some people say i should get the wheel alignment done. but with stock rims i have no problem and car goes straight
please help
thanks
Old 07-27-2010, 01:02 PM
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oh yea its 2005 bmw 530i
Old 07-27-2010, 01:05 PM
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Wait a minute? Do you mean you have 19" rims in front and 20" in rear?

edit: If you do, with those tire sizes the overall diameter on the rear wheel is 1,2" larger than on the front wheel.
That setup is begging for problems!

Sorry if I understood it wrong...
Old 07-27-2010, 01:33 PM
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I just don't understand why you have that rear set up,if you want 20" on the rear your tyre should be 285/25R20.
Also,the front should be 245/35R19.
Old 07-27-2010, 02:18 PM
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This place never fails to amaze me. Atleast he doesnt have an xi-that would be game over differential.

On a rear wheel drive car-its fine to have bigger diameter in the rear however the car has to be setup to do so-I dont think that is the cauzse of your problems you describe-however a different set of problems like severe handling problems with that setup since none of the other suspension is set up for that difference in diameter. All wheel drive cars however you cannot do different diameters
Old 07-27-2010, 02:25 PM
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@ OP: Which wheels did you get? You might need hub rings.
Old 07-27-2010, 05:49 PM
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ok guys
MY BAD. FRONT IS 245 35 ZR 19 AND REAR IS 285 30 ZR 20
the only problem i run into is that car start shaking after 60km +
someone said one of the rear rim must bent since i bought them used.
my my question is wouldnt it shake as soon it picks up the speed
and also would it balance out to zero if any of the rim is bent?
Old 07-27-2010, 05:56 PM
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Originally Posted by tooltec
I just don't understand why you have that rear set up,if you want 20" on the rear your tyre should be 285/25R20.
Also,the front should be 245/35R19.
ya its 245 35 19 front and 285 30 20 rear since i got a great deal on tires lol
Old 07-27-2010, 06:48 PM
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Originally Posted by Trinity Autosport
@ OP: Which wheels did you get? You might need hub rings.
I agree, what wheels?

Why no pics?
Old 07-28-2010, 04:45 AM
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You may need hub rings!


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