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.BMW. · 10-18-2013, 12:40 AM

Then my calculations are correct after all!

I still don't think 225/40-18 is an optimal choice, they are 3% shorter than OEM and will look a bit stretched on 8.5" wide wheels.

However wider tires can give problems with front strut clearance.

10-18-2013, 12:40 AM	#8
.BMW. Major General 1863 Rep 5,140 Posts Drives: BMW F11/F31 Join Date: Jun 2013 Location: Sweden iTrader: (0)	Then my calculations are correct after all! I still don't think 225/40-18 is an optimal choice, they are 3% shorter than OEM and will look a bit stretched on 8.5" wide wheels. However wider tires can give problems with front strut clearance.
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