nothing there related to my case. My case is : when I use method 1 I can program key2 but looks as this is disabling key 1. when I reprogram key 1, key2 is found disabled as if one only key can be working at a time . Either key1 or key2. Before coding preferences.both keys were working as remote keys. It looks like it is something related to the coding process. Mechanic asked me about the second key, but then said, never mind ,both keys will work alike

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X5 3.0i SUV
2005 -113000 miles
GM-A5S 690R Tranny