E89 225/35 19 to 225/40 front tyres

[jonnymac]

I was curious if anyone has increased the aspect ratio from 225/35 to 225/40 on 19" front wheels. I'm due new front tyres this month and I was thinking the 40s might give a little extra comfort on our pothole filled UK roads? Any up or downsides to the choice or is the change so small its basically irrelevant?
I replaced the rears before the winter and went from 255/30R19 to 255/35R19 and did notice a difference, but I also went from Goodyear Eagle F1 Asymmetric 4's(?) to 6's so it might just have been the updated tyre model.
Couldn't find anything useful in search btw

 

[B21]

If you’ve gone with 255/35 19 on the rear then 225/40 19 on the front is a good choice..on E89s the stability control system doesn’t like significant imbalances in front / rear rolling radius ..(ideally less than 1.5-2%)…

Given that 40 profile appears on other tyres on E89s it not an issue in its own right..plus changes to much modern tyre designs probably swamp other issues..

 

[jonnymac]

Thanks, that puts my mind at ease. At £180 a tyre I didn't want to make a mistake by doing something dumb

 

[jonnymac]

Just as an update on this.
I had the 225/40 19 installed and there is a small but noticeable difference on some of the regular, rougher roads I drive on. I did go from Goodyear F1 asymmetric 5 to the newer F1 asymmetric 6 so it's not a like for like tyre swap but its pretty close. No signs of rubbing and i'm happy i went up 5 in the ratio.