[red30xdrive]

I think I may have given the wrong impression with the term "low speed ride" I should have just said 20 mph to 55 mph . Above this speed the ride and particularly the high speed stability are fantastic .

The stiff side walls of run flats has virtually no effect at these speeds and changing to 50% aspect ratio from the current 45% will have little if any effect . As HighlandPete points out his sons SE on 19" wheels has a good ride .

Might be a case of get SE springs and get the Koni shock absorbers as one kit , alternately might just sell the car and get one with variable dampers which is what I should have done in the first place LOL or is there a conversion lit to variable dampers ?

Regards