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      08-04-2010, 03:50 PM   #1
smokinduc
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Drives: 2009 BMW X3
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Larger Wheel/Tire for 09 X3

My daughter wants to go to 20's on her X3. Truck currently has OEM 235/50x18's all around. According to my calculator 255/35x20 is the closest in diameter. Anybody running this size? Any issues (besides ride comfort)? I may try and talk her into 245/40/20. What offset are you guys running with a 9" rim

Any thoughts are appreciated

Bill
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      08-07-2010, 05:53 PM   #2
Bora20
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245/40R20 is the wrong size and the little bit of sidewall that you would be gaining won't make any difference at all. You can run a 9" rim in the front and a 10" rim in the rear. 19" wheels will be easier to find. 20" wheels mean you need to step up to the expensive (reputable) brands to make sure that the width, offset and backspacing will fit.

Front - 235/45R19 or 255/40R19
Rear - 255/40R19

Front - 255/35R20
Rear - 255/35R20 or 285/30R20

Any reason she wants 20" wheels? Do you think that she would notice the extra 1" of diameter over 19" wheels or does she just want to be rolling on DUBS?
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      04-17-2013, 11:26 AM   #3
Goosey4370
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If you maintain the overall dia, see what you can find from the X5 offerings. They have the advantage of being from BM and, in 20 inch form, should be ideal.
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