Quote:
Originally Posted by johnbmw6
I run mine at 39 PSI all round, it works just fine.
4/5 PSI higher than summer is the way to go.
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Just stick with the owners manual pressures for the load and speed you intend to go. However if you are in colder temps (-20 to -35C) I wouldn't go over inflating the tires if you are after grip. That said every 5C you'll find the need to adjust air pressure.