Originally Posted by AnooooOH
I think it depends on the spring rates.
the acs suspension will need the rear bar.
but i thought of getting bilstein coils now.
Yep, I thibk so too
But, for the coils, you could simply buy a set of sport suspension plus mouting them with your springs (for exemple with your ProKit : the Bilstein B8
Then you will save money and have it for other mods
M Sport package, Stage 1 chiptuning 222hp 345lb/ft, CDV, BMC airfilter, VMR vb3, Eibach ProKit, BMW Performance stuff (strut brace, pedals, gear konb and emergency brake, side skirts, spoiler, diffuser, exhaust)