Is it possible to add one key to BMW CAS2/CAS3/CAS4, using Obdstar X300 DP pad yellow version? On cas 2,3 we use tools like usually VVDI2, CGDI BMW. On cas 3+ with working key!! If it is AKL (all keys lost), you need to pull ISN code on dde or dme!!!! for registry a key you need…