Originally Posted by mzbmw325i
Over the week i swapped my suspension from stock "IS" to bilstein sports and M3 springs, what a difference, ride is a bit stiff but i like the way the tires are glued to the concrete now and a nice drop. so my question is to what bushings i can upgrade that will not require to get the car aligned afterwards, or is that inevitable.
i was reading that the suspension is the same for E30, E36 and E46's, which m3 spec bushings are better?
Not sure on stock parts, but you may want to try powerflex PU control arm bushings?