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  #43  
Old 11-07-2012, 11:01 AM
BaranE BaranE is offline
Officially Welcomed to the 'Fest
Location: Turkey
 
Join Date: Jun 2012
Posts: 355
Mein Auto: '10 740Li
Quote:
Originally Posted by Deutsch100 View Post
I really do not have an option, for a quality tire that is an exact fit for my RR. I'm just sticking with the Goodyear Run on Flats. Luckily, the ride in my RR is very composed and posh (although I know it could be heaven, w/non-RF tires!
You can try various tire sizes (eg. 295/35 R20 instead of 295/40R20) on http://www.miata.net/garage/tirecalcold.html

I've upsized/downsized several times and as long as you're within a +- 3% rate from the original tire, no errors etc. are tripped.
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