BMW KEY MAKER Programmer is for keyprogramming PCF transponders 7930,7931,7935 This programme is very simple for using it and does not require additional equipment to work with EWS 2,3,3+. Programmer and adaptor BMW KEYMAKER are not used for 68HC11EA9 processor which has LOCK BIT on it. If a processor has LOCK BIT on it the programme will warn about it. 1