Thanks Dave. This is my third CS, dating back to the early 80's. My 9th BMW. '68 1800, '74 2002, 2 CS', '78 euro 635csi, '82 633csi, '95 M3, '95 850i and this '74 3.0csa. BTW, do you know anyone that can make an extra ignition key? I only have one. I've got three blanks.