Can anyone give me information about the difficulty replacing the windshield for a 1988 M3? I have the detailed directions from a BMW technicians manual about how one installs the windshield for the 1988 M3, the suction cups to hold the window and I also found out that one can purchase the windshield online from Windshields To Go for $294. This is a true E30 M3 windshield and not the windshield for the 325 E30. I think the adhesive and two gaskets for the windshield can be purchased also. Can anyone tell me how difficult or easy this can be?