#1: brake test Author: xsjado, Posted: Thu Sep 27, 2007 2:06 am ---- ok gang...as u drive like at 40 kmh slam on the brakes...make sure nobody behingd you laa....n then c which one locks up...mine front locks and the back tak lock...i have a 4 wheel disc setup on my e30.sila kemukakan findings anda and we all compare ..orait!!