| 04-28-2019, 04:05 PM | #1 |
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Private
 2
Rep 54
Posts |
285 30 21?? Help please
Came across these for all season 21 inch non run flats , Can anyone confirm these will work good on the F chassis?
285/35zr/21 Vs 285/30zr/21 Last edited by 09 young bmw; 04-29-2019 at 06:32 AM.. |
| 04-29-2019, 06:27 PM | #2 |
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Captain
 
1176
Rep 842
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The diameter of the tire will go down by 4.2%. To be safe, it's supposed to be within 3% of the stock tire.
Your speedo will be a few MPH off. More wheel gap. Lower load rating.
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