The adaptive ALPINA sport suspension solves this conflict of interest by means of electronically adjustable dampers in collaboration with performance springs, bump stops and stabilisers. (bmwblog.com)
Modifications are limited to manufacturer specified performance spring and shocks to keep overall cost down. (en.m.wikipedia.org)
Modifications include HPD's «Big Brake» kit, HPD performance springs, HPD 25.4 mm rear anti-roll bar, HPD 18 - inch wheels, and a K24Z7 racing engine. (topspeed.com)