owm said:The only equivalent to the M sport spring that I know of is the Suplex one:
https://www.ecstuning.com/BMW-Z4-3.0i-M54_3.0L/Suspension/Springs/ES2915132/
They are what I will be purchasing to replace my rear M sport springs should they ever fail although in the climate I am in, it seems unlikely (no salt, hot although high humidity).
olsonn said:Seem to have been hijacked by M Sport springs, I am just after the bulk standard springs, not M and not sport, any suggestions please