11-14-2012, 10:16 PM
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Officially Welcomed to the 'Fest
Location: British Columbia, Canada
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Join Date: Feb 2008
Posts: 2,462
Mein Auto: 2004 X3 2.5i
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Check out:
http://www.tirerack.com/tires/tirete...jsp?techid=198
The 8.5" wide X5 rims are within spec. for 235/55/17 tires, but at the upper limit.
I don't think you need to run decreased psi.
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