What do I need to drop my 1992 525i?Springs only,struts,coilovers,shocks???I really dont understand it.People keep telling me different stuff but I ll rather trust u guys.I know most of u are good at it.And how much will it cost me?Parts and labor.I dont think I can do it my self.Thanx for help.And if anybody has some pics , can u please post them and write what drop do u have in front and the rear?