Car felt "much better" overall (No/small increase in noise/firmness. Much better feel/control)
Car felt "slightly better" overall (Small increase in noise/firmness. Better feel/control)
Car felt "slightly worse" overall (No/small increase in noise/firmness. Feel/control about the same)
Car felt "much worse" overall (Increase in noise/firmness. Feel/control about the same/worse)
Car felt the exactly the same as before!
As a matter of interest, how much did they quote for the M3 anti-roll bars? My 330i has a 23mm roll bar (now polybushed), the 330i Sport's is 24mm, and the M3 is 26mm - Area-wise, if my 23mm one is 100%, the 24mm one gives 8% extra cross section, and the M3 26mm ones give an extra 27% - that in turn will give quite a bit of torsional resistance.
I need to sort the cars rear out - the trailing arm bushes are a must. I think the kind of drop links the rears use are a nasty design & promote flexibility, so I'm not sure if I can be bothered changing the rear ARB bushes.
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