[Vidgomd]

ok form what i have collected a safe set up for a 330i sedan is
235/40/18/8.5 front
255/35/18/8.5 rear
et 38

how about for 19's which im not too sure about whats a good set up for them
and wil there be a big difference in ride quality from 18 to 19?

 

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19" will be another step up in ride firmness from 19". Most don't find it too harsh, but some do...so you might want to find someone with this setup and ride/drive their car first before making such a large investment. 235/35R19 is the front sizing. Rear is 245/35R19 or 265/30R19. With a sedan you may have to have the rear fender rolled to accomidate the wider tire sizing and more aggressive wheels.

 

[Vidgomd]

so gary a 255 set up would be no good? in 19's?
thanks