Spring for the Powerflex PU bushings for the front sway bar & control arm lollypop. Rear shock mount reinforcements from Rogue are a must (drivinfaster is absolutely correct). And, you should be able to find a set of H&R sport springs on Craigslist.
1995 325i, 235K miles (yes!), 5sp, LSD, M3 cat back, halo projectors, H&R/Bilstein/etc. suspension overhaul, painted sideskirts...Oh now it's white...plasti-dip... snap.