wider wheels & tyres ?

[mickd]

Hi, I am expecting delivery of my Murano in a few weeks & I have quietly gone insane looking at alternate wheels & tyres for it as here in Australia we only get the 18" rims fitted, so we have to look at aftermarket products, this is not a problem as there is plenty of choice however I am concerned about potential steering or suspension problems & perhaps even CVT stress when fitting wider rims with a different offset than the standard rim.............I am looking at 19" X 8" rims with an offset of +42 (+50 being standard) & 255/55 R19 tyres (235/65 R18 being standard), I have looked at calculators that tell me how the wheel will sit when fitted so I am seeking any info regarding any problems that have been experienced by members with wider wheels....I know the changes I am thinking of are only small but I don't want to have warranty problems in the future..................Thanks in advance