This basic tool allows to test EWS (3, 3+, 4) and new key (transponder) after process of programming.
Simply one should connect EWS module to the device, make a choice with switches (manual or automatic gearbox etc.) and press START button. If the key (transponder) is working properly with that EWS module you should hear sound of buzzer and a green LED light.
The Keymaker for EWS tool has been design for working with EWS alarm system. All BMW vehicles models equipped with EWS Immobilizers from 1995 year: E34(5xx), E36(3xx),E38 (7xx), E39 (5xx), E46 (3xx), E53 (X5), Z4, Mini Cooper, Rover 75, Range Rover.